20726777784

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{1291}}^1$

素因数の和:1721

約数の個数: 128

約数和(自身を含む): 54355783680

約数和(自身を除く): 33629005896

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 331, 344, 376, 516, 564, 662, 993, 1032, 1128, 1291, 1324, 1986, 2021, 2582, 2648, 3873, 3972, 4042, 5164, 6063, 7746, 7944, 8084, 10328, 12126, 14233, 15492, 15557, 16168, 24252, 28466, 30984, 31114, 42699, 46671, 48504, 55513, 56932, 60677, 62228, 85398, 93342, 111026, 113864, 121354, 124456, 166539, 170796, 182031, 186684, 222052, 242708, 333078, 341592, 364062, 373368, 427321, 444104, 485416, 666156, 668951, 728124, 854642, 1281963, 1332312, 1337902, 1456248, 1709284, 2006853, 2563926, 2609111, 2675804, 3418568, 4013706, 5127852, 5218222, 5351608, 7827333, 8027412, 10255704, 10436444, 15654666, 16054824, 18374803, 20084087, 20872888, 31309332, 36749606, 40168174, 55124409, 60252261, 62618664, 73499212, 80336348, 110248818, 120504522, 146998424, 160672696, 220497636, 241009044, 440995272, 482018088, 863615741, 1727231482, 2590847223, 3454462964, 5181694446, 6908925928, 10363388892, 20726777784]

約数ペア:

[(1, 20726777784), (2, 10363388892), (3, 6908925928), (4, 5181694446), (6, 3454462964), (8, 2590847223), (12, 1727231482), (24, 863615741), (43, 482018088), (47, 440995272), (86, 241009044), (94, 220497636), (129, 160672696), (141, 146998424), (172, 120504522), (188, 110248818), (258, 80336348), (282, 73499212), (331, 62618664), (344, 60252261), (376, 55124409), (516, 40168174), (564, 36749606), (662, 31309332), (993, 20872888), (1032, 20084087), (1128, 18374803), (1291, 16054824), (1324, 15654666), (1986, 10436444), (2021, 10255704), (2582, 8027412), (2648, 7827333), (3873, 5351608), (3972, 5218222), (4042, 5127852), (5164, 4013706), (6063, 3418568), (7746, 2675804), (7944, 2609111), (8084, 2563926), (10328, 2006853), (12126, 1709284), (14233, 1456248), (15492, 1337902), (15557, 1332312), (16168, 1281963), (24252, 854642), (28466, 728124), (30984, 668951), (31114, 666156), (42699, 485416), (46671, 444104), (48504, 427321), (55513, 373368), (56932, 364062), (60677, 341592), (62228, 333078), (85398, 242708), (93342, 222052), (111026, 186684), (113864, 182031), (121354, 170796), (124456, 166539)]