20553930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 36055350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 53, 62, 90, 93, 106, 139, 155, 159, 186, 265, 278, 279, 310, 318, 417, 465, 477, 530, 558, 695, 795, 834, 930, 954, 1251, 1390, 1395, 1590, 1643, 2085, 2385, 2502, 2790, 3286, 4170, 4309, 4770, 4929, 6255, 7367, 8215, 8618, 9858, 12510, 12927, 14734, 14787, 16430, 21545, 22101, 24645, 25854, 29574, 36835, 38781, 43090, 44202, 49290, 64635, 66303, 73670, 73935, 77562, 110505, 129270, 132606, 147870, 193905, 221010, 228377, 331515, 387810, 456754, 663030, 685131, 1141885, 1370262, 2055393, 2283770, 3425655, 4110786, 6851310, 10276965, 20553930]

約数ペア:

[(1, 20553930), (2, 10276965), (3, 6851310), (5, 4110786), (6, 3425655), (9, 2283770), (10, 2055393), (15, 1370262), (18, 1141885), (30, 685131), (31, 663030), (45, 456754), (53, 387810), (62, 331515), (90, 228377), (93, 221010), (106, 193905), (139, 147870), (155, 132606), (159, 129270), (186, 110505), (265, 77562), (278, 73935), (279, 73670), (310, 66303), (318, 64635), (417, 49290), (465, 44202), (477, 43090), (530, 38781), (558, 36835), (695, 29574), (795, 25854), (834, 24645), (930, 22101), (954, 21545), (1251, 16430), (1390, 14787), (1395, 14734), (1590, 12927), (1643, 12510), (2085, 9858), (2385, 8618), (2502, 8215), (2790, 7367), (3286, 6255), (4170, 4929), (4309, 4770)]