20081628

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 60318720

約数和(自身を除く): 40237092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 101, 108, 126, 189, 202, 252, 263, 303, 378, 404, 526, 606, 707, 756, 789, 909, 1052, 1212, 1414, 1578, 1818, 1841, 2121, 2367, 2727, 2828, 3156, 3636, 3682, 4242, 4734, 5454, 5523, 6363, 7101, 7364, 8484, 9468, 10908, 11046, 12726, 14202, 16569, 19089, 22092, 25452, 26563, 28404, 33138, 38178, 49707, 53126, 66276, 76356, 79689, 99414, 106252, 159378, 185941, 198828, 239067, 318756, 371882, 478134, 557823, 717201, 743764, 956268, 1115646, 1434402, 1673469, 2231292, 2868804, 3346938, 5020407, 6693876, 10040814, 20081628]

約数ペア:

[(1, 20081628), (2, 10040814), (3, 6693876), (4, 5020407), (6, 3346938), (7, 2868804), (9, 2231292), (12, 1673469), (14, 1434402), (18, 1115646), (21, 956268), (27, 743764), (28, 717201), (36, 557823), (42, 478134), (54, 371882), (63, 318756), (84, 239067), (101, 198828), (108, 185941), (126, 159378), (189, 106252), (202, 99414), (252, 79689), (263, 76356), (303, 66276), (378, 53126), (404, 49707), (526, 38178), (606, 33138), (707, 28404), (756, 26563), (789, 25452), (909, 22092), (1052, 19089), (1212, 16569), (1414, 14202), (1578, 12726), (1818, 11046), (1841, 10908), (2121, 9468), (2367, 8484), (2727, 7364), (2828, 7101), (3156, 6363), (3636, 5523), (3682, 5454), (4242, 4734)]