20447028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1979}}^1$

素因数の和:2037

約数の個数: 72

約数和(自身を含む): 60540480

約数和(自身を除く): 40093452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 1148, 1476, 1722, 1979, 2583, 3444, 3958, 5166, 5937, 7916, 10332, 11874, 13853, 17811, 23748, 27706, 35622, 41559, 55412, 71244, 81139, 83118, 124677, 162278, 166236, 243417, 249354, 324556, 486834, 498708, 567973, 730251, 973668, 1135946, 1460502, 1703919, 2271892, 2921004, 3407838, 5111757, 6815676, 10223514, 20447028]

約数ペア:

[(1, 20447028), (2, 10223514), (3, 6815676), (4, 5111757), (6, 3407838), (7, 2921004), (9, 2271892), (12, 1703919), (14, 1460502), (18, 1135946), (21, 973668), (28, 730251), (36, 567973), (41, 498708), (42, 486834), (63, 324556), (82, 249354), (84, 243417), (123, 166236), (126, 162278), (164, 124677), (246, 83118), (252, 81139), (287, 71244), (369, 55412), (492, 41559), (574, 35622), (738, 27706), (861, 23748), (1148, 17811), (1476, 13853), (1722, 11874), (1979, 10332), (2583, 7916), (3444, 5937), (3958, 5166)]