20368404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 59387328

約数和(自身を除く): 39018924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 131, 252, 262, 393, 524, 617, 786, 917, 1179, 1234, 1572, 1834, 1851, 2358, 2468, 2751, 3668, 3702, 4319, 4716, 5502, 5553, 7404, 8253, 8638, 11004, 11106, 12957, 16506, 17276, 22212, 25914, 33012, 38871, 51828, 77742, 80827, 155484, 161654, 242481, 323308, 484962, 565789, 727443, 969924, 1131578, 1454886, 1697367, 2263156, 2909772, 3394734, 5092101, 6789468, 10184202, 20368404]

約数ペア:

[(1, 20368404), (2, 10184202), (3, 6789468), (4, 5092101), (6, 3394734), (7, 2909772), (9, 2263156), (12, 1697367), (14, 1454886), (18, 1131578), (21, 969924), (28, 727443), (36, 565789), (42, 484962), (63, 323308), (84, 242481), (126, 161654), (131, 155484), (252, 80827), (262, 77742), (393, 51828), (524, 38871), (617, 33012), (786, 25914), (917, 22212), (1179, 17276), (1234, 16506), (1572, 12957), (1834, 11106), (1851, 11004), (2358, 8638), (2468, 8253), (2751, 7404), (3668, 5553), (3702, 5502), (4319, 4716)]