20128036488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{7621}}^1$

素因数の和:7915

約数の個数: 128

約数和(自身を含む): 58536960000

約数和(自身を除く): 38408923512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 199, 237, 316, 398, 474, 553, 597, 632, 796, 948, 1106, 1194, 1393, 1592, 1659, 1896, 2212, 2388, 2786, 3318, 4179, 4424, 4776, 5572, 6636, 7621, 8358, 11144, 13272, 15242, 15721, 16716, 22863, 30484, 31442, 33432, 45726, 47163, 53347, 60968, 62884, 91452, 94326, 106694, 110047, 125768, 160041, 182904, 188652, 213388, 220094, 320082, 330141, 377304, 426776, 440188, 602059, 640164, 660282, 880376, 1204118, 1280328, 1320564, 1516579, 1806177, 2408236, 2641128, 3033158, 3612354, 4214413, 4549737, 4816472, 6066316, 7224708, 8428826, 9099474, 10616053, 12132632, 12643239, 14449416, 16857652, 18198948, 21232106, 25286478, 31848159, 33715304, 36397896, 42464212, 50572956, 63696318, 84928424, 101145912, 119809741, 127392636, 239619482, 254785272, 359429223, 479238964, 718858446, 838668187, 958477928, 1437716892, 1677336374, 2516004561, 2875433784, 3354672748, 5032009122, 6709345496, 10064018244, 20128036488]

約数ペア:

[(1, 20128036488), (2, 10064018244), (3, 6709345496), (4, 5032009122), (6, 3354672748), (7, 2875433784), (8, 2516004561), (12, 1677336374), (14, 1437716892), (21, 958477928), (24, 838668187), (28, 718858446), (42, 479238964), (56, 359429223), (79, 254785272), (84, 239619482), (158, 127392636), (168, 119809741), (199, 101145912), (237, 84928424), (316, 63696318), (398, 50572956), (474, 42464212), (553, 36397896), (597, 33715304), (632, 31848159), (796, 25286478), (948, 21232106), (1106, 18198948), (1194, 16857652), (1393, 14449416), (1592, 12643239), (1659, 12132632), (1896, 10616053), (2212, 9099474), (2388, 8428826), (2786, 7224708), (3318, 6066316), (4179, 4816472), (4424, 4549737), (4776, 4214413), (5572, 3612354), (6636, 3033158), (7621, 2641128), (8358, 2408236), (11144, 1806177), (13272, 1516579), (15242, 1320564), (15721, 1280328), (16716, 1204118), (22863, 880376), (30484, 660282), (31442, 640164), (33432, 602059), (45726, 440188), (47163, 426776), (53347, 377304), (60968, 330141), (62884, 320082), (91452, 220094), (94326, 213388), (106694, 188652), (110047, 182904), (125768, 160041)]