20545177584

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{726697}}^1$

素因数の和:726758

約数の個数: 80

約数和(自身を含む): 57670753280

約数和(自身を除く): 37125575696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 304, 372, 456, 496, 589, 744, 912, 1178, 1488, 1767, 2356, 3534, 4712, 7068, 9424, 14136, 28272, 726697, 1453394, 2180091, 2906788, 4360182, 5813576, 8720364, 11627152, 13807243, 17440728, 22527607, 27614486, 34881456, 41421729, 45055214, 55228972, 67582821, 82843458, 90110428, 110457944, 135165642, 165686916, 180220856, 220915888, 270331284, 331373832, 360441712, 428024533, 540662568, 662747664, 856049066, 1081325136, 1284073599, 1712098132, 2568147198, 3424196264, 5136294396, 6848392528, 10272588792, 20545177584]

約数ペア:

[(1, 20545177584), (2, 10272588792), (3, 6848392528), (4, 5136294396), (6, 3424196264), (8, 2568147198), (12, 1712098132), (16, 1284073599), (19, 1081325136), (24, 856049066), (31, 662747664), (38, 540662568), (48, 428024533), (57, 360441712), (62, 331373832), (76, 270331284), (93, 220915888), (114, 180220856), (124, 165686916), (152, 135165642), (186, 110457944), (228, 90110428), (248, 82843458), (304, 67582821), (372, 55228972), (456, 45055214), (496, 41421729), (589, 34881456), (744, 27614486), (912, 22527607), (1178, 17440728), (1488, 13807243), (1767, 11627152), (2356, 8720364), (3534, 5813576), (4712, 4360182), (7068, 2906788), (9424, 2180091), (14136, 1453394), (28272, 726697)]