20692260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:315

約数の個数: 120

約数和(自身を含む): 66411576

約数和(自身を除く): 45719316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 241, 265, 270, 318, 324, 405, 477, 482, 530, 540, 636, 723, 795, 810, 954, 964, 1060, 1205, 1431, 1446, 1590, 1620, 1908, 2169, 2385, 2410, 2862, 2892, 3180, 3615, 4293, 4338, 4770, 4820, 5724, 6507, 7155, 7230, 8586, 8676, 9540, 10845, 12773, 13014, 14310, 14460, 17172, 19521, 21465, 21690, 25546, 26028, 28620, 32535, 38319, 39042, 42930, 43380, 51092, 63865, 65070, 76638, 78084, 85860, 97605, 114957, 127730, 130140, 153276, 191595, 195210, 229914, 255460, 344871, 383190, 390420, 459828, 574785, 689742, 766380, 1034613, 1149570, 1379484, 1724355, 2069226, 2299140, 3448710, 4138452, 5173065, 6897420, 10346130, 20692260]

約数ペア:

[(1, 20692260), (2, 10346130), (3, 6897420), (4, 5173065), (5, 4138452), (6, 3448710), (9, 2299140), (10, 2069226), (12, 1724355), (15, 1379484), (18, 1149570), (20, 1034613), (27, 766380), (30, 689742), (36, 574785), (45, 459828), (53, 390420), (54, 383190), (60, 344871), (81, 255460), (90, 229914), (106, 195210), (108, 191595), (135, 153276), (159, 130140), (162, 127730), (180, 114957), (212, 97605), (241, 85860), (265, 78084), (270, 76638), (318, 65070), (324, 63865), (405, 51092), (477, 43380), (482, 42930), (530, 39042), (540, 38319), (636, 32535), (723, 28620), (795, 26028), (810, 25546), (954, 21690), (964, 21465), (1060, 19521), (1205, 17172), (1431, 14460), (1446, 14310), (1590, 13014), (1620, 12773), (1908, 10845), (2169, 9540), (2385, 8676), (2410, 8586), (2862, 7230), (2892, 7155), (3180, 6507), (3615, 5724), (4293, 4820), (4338, 4770)]