20261150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 47788608

約数和(自身を除く): 27527458

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 61, 65, 70, 73, 91, 122, 130, 146, 175, 182, 305, 325, 350, 365, 427, 455, 511, 610, 650, 730, 793, 854, 910, 949, 1022, 1525, 1586, 1825, 1898, 2135, 2275, 2555, 3050, 3650, 3965, 4270, 4453, 4550, 4745, 5110, 5551, 6643, 7930, 8906, 9490, 10675, 11102, 12775, 13286, 19825, 21350, 22265, 23725, 25550, 27755, 31171, 33215, 39650, 44530, 47450, 55510, 57889, 62342, 66430, 111325, 115778, 138775, 155855, 166075, 222650, 277550, 289445, 311710, 332150, 405223, 578890, 779275, 810446, 1447225, 1558550, 2026115, 2894450, 4052230, 10130575, 20261150]

約数ペア:

[(1, 20261150), (2, 10130575), (5, 4052230), (7, 2894450), (10, 2026115), (13, 1558550), (14, 1447225), (25, 810446), (26, 779275), (35, 578890), (50, 405223), (61, 332150), (65, 311710), (70, 289445), (73, 277550), (91, 222650), (122, 166075), (130, 155855), (146, 138775), (175, 115778), (182, 111325), (305, 66430), (325, 62342), (350, 57889), (365, 55510), (427, 47450), (455, 44530), (511, 39650), (610, 33215), (650, 31171), (730, 27755), (793, 25550), (854, 23725), (910, 22265), (949, 21350), (1022, 19825), (1525, 13286), (1586, 12775), (1825, 11102), (1898, 10675), (2135, 9490), (2275, 8906), (2555, 7930), (3050, 6643), (3650, 5551), (3965, 5110), (4270, 4745), (4453, 4550)]