20100045

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 41368320

約数和(自身を除く): 21268275

約数列:

[1, 3, 5, 7, 15, 21, 23, 29, 35, 41, 49, 69, 87, 105, 115, 123, 145, 147, 161, 203, 205, 245, 287, 345, 435, 483, 609, 615, 667, 735, 805, 861, 943, 1015, 1127, 1189, 1421, 1435, 2001, 2009, 2415, 2829, 3045, 3335, 3381, 3567, 4263, 4305, 4669, 4715, 5635, 5945, 6027, 6601, 7105, 8323, 10005, 10045, 14007, 14145, 16905, 17835, 19803, 21315, 23345, 24969, 27347, 30135, 32683, 33005, 41615, 46207, 58261, 70035, 82041, 98049, 99015, 124845, 136735, 138621, 163415, 174783, 191429, 231035, 291305, 410205, 490245, 574287, 693105, 873915, 957145, 1340003, 2871435, 4020009, 6700015, 20100045]

約数ペア:

[(1, 20100045), (3, 6700015), (5, 4020009), (7, 2871435), (15, 1340003), (21, 957145), (23, 873915), (29, 693105), (35, 574287), (41, 490245), (49, 410205), (69, 291305), (87, 231035), (105, 191429), (115, 174783), (123, 163415), (145, 138621), (147, 136735), (161, 124845), (203, 99015), (205, 98049), (245, 82041), (287, 70035), (345, 58261), (435, 46207), (483, 41615), (609, 33005), (615, 32683), (667, 30135), (735, 27347), (805, 24969), (861, 23345), (943, 21315), (1015, 19803), (1127, 17835), (1189, 16905), (1421, 14145), (1435, 14007), (2001, 10045), (2009, 10005), (2415, 8323), (2829, 7105), (3045, 6601), (3335, 6027), (3381, 5945), (3567, 5635), (4263, 4715), (4305, 4669)]