20251830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 50761728

約数和(自身を除く): 30509898

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 53, 94, 106, 141, 159, 235, 265, 271, 282, 318, 470, 530, 542, 705, 795, 813, 1355, 1410, 1590, 1626, 2491, 2710, 4065, 4982, 7473, 8130, 12455, 12737, 14363, 14946, 24910, 25474, 28726, 37365, 38211, 43089, 63685, 71815, 74730, 76422, 86178, 127370, 143630, 191055, 215445, 382110, 430890, 675061, 1350122, 2025183, 3375305, 4050366, 6750610, 10125915, 20251830]

約数ペア:

[(1, 20251830), (2, 10125915), (3, 6750610), (5, 4050366), (6, 3375305), (10, 2025183), (15, 1350122), (30, 675061), (47, 430890), (53, 382110), (94, 215445), (106, 191055), (141, 143630), (159, 127370), (235, 86178), (265, 76422), (271, 74730), (282, 71815), (318, 63685), (470, 43089), (530, 38211), (542, 37365), (705, 28726), (795, 25474), (813, 24910), (1355, 14946), (1410, 14363), (1590, 12737), (1626, 12455), (2491, 8130), (2710, 7473), (4065, 4982)]