20205475680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{78977}}^1$

素因数の和:79049

約数の個数: 192

約数和(自身を含む): 70215864768

約数和(自身を除く): 50010389088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 41, 48, 52, 60, 65, 78, 80, 82, 96, 104, 120, 123, 130, 156, 160, 164, 195, 205, 208, 240, 246, 260, 312, 328, 390, 410, 416, 480, 492, 520, 533, 615, 624, 656, 780, 820, 984, 1040, 1066, 1230, 1248, 1312, 1560, 1599, 1640, 1968, 2080, 2132, 2460, 2665, 3120, 3198, 3280, 3936, 4264, 4920, 5330, 6240, 6396, 6560, 7995, 8528, 9840, 10660, 12792, 15990, 17056, 19680, 21320, 25584, 31980, 42640, 51168, 63960, 78977, 85280, 127920, 157954, 236931, 255840, 315908, 394885, 473862, 631816, 789770, 947724, 1026701, 1184655, 1263632, 1579540, 1895448, 2053402, 2369310, 2527264, 3080103, 3159080, 3238057, 3790896, 4106804, 4738620, 5133505, 6160206, 6318160, 6476114, 7581792, 8213608, 9477240, 9714171, 10267010, 12320412, 12636320, 12952228, 15400515, 16190285, 16427216, 18954480, 19428342, 20534020, 24640824, 25904456, 30801030, 32380570, 32854432, 37908960, 38856684, 41068040, 42094741, 48570855, 49281648, 51808912, 61602060, 64761140, 77713368, 82136080, 84189482, 97141710, 98563296, 103617824, 123204120, 126284223, 129522280, 155426736, 164272160, 168378964, 194283420, 210473705, 246408240, 252568446, 259044560, 310853472, 336757928, 388566840, 420947410, 492816480, 505136892, 518089120, 631421115, 673515856, 777133680, 841894820, 1010273784, 1262842230, 1347031712, 1554267360, 1683789640, 2020547568, 2525684460, 3367579280, 4041095136, 5051368920, 6735158560, 10102737840, 20205475680]

約数ペア:

[(1, 20205475680), (2, 10102737840), (3, 6735158560), (4, 5051368920), (5, 4041095136), (6, 3367579280), (8, 2525684460), (10, 2020547568), (12, 1683789640), (13, 1554267360), (15, 1347031712), (16, 1262842230), (20, 1010273784), (24, 841894820), (26, 777133680), (30, 673515856), (32, 631421115), (39, 518089120), (40, 505136892), (41, 492816480), (48, 420947410), (52, 388566840), (60, 336757928), (65, 310853472), (78, 259044560), (80, 252568446), (82, 246408240), (96, 210473705), (104, 194283420), (120, 168378964), (123, 164272160), (130, 155426736), (156, 129522280), (160, 126284223), (164, 123204120), (195, 103617824), (205, 98563296), (208, 97141710), (240, 84189482), (246, 82136080), (260, 77713368), (312, 64761140), (328, 61602060), (390, 51808912), (410, 49281648), (416, 48570855), (480, 42094741), (492, 41068040), (520, 38856684), (533, 37908960), (615, 32854432), (624, 32380570), (656, 30801030), (780, 25904456), (820, 24640824), (984, 20534020), (1040, 19428342), (1066, 18954480), (1230, 16427216), (1248, 16190285), (1312, 15400515), (1560, 12952228), (1599, 12636320), (1640, 12320412), (1968, 10267010), (2080, 9714171), (2132, 9477240), (2460, 8213608), (2665, 7581792), (3120, 6476114), (3198, 6318160), (3280, 6160206), (3936, 5133505), (4264, 4738620), (4920, 4106804), (5330, 3790896), (6240, 3238057), (6396, 3159080), (6560, 3080103), (7995, 2527264), (8528, 2369310), (9840, 2053402), (10660, 1895448), (12792, 1579540), (15990, 1263632), (17056, 1184655), (19680, 1026701), (21320, 947724), (25584, 789770), (31980, 631816), (42640, 473862), (51168, 394885), (63960, 315908), (78977, 255840), (85280, 236931), (127920, 157954)]