20396520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1139

約数の個数: 96

約数和(自身を含む): 67602600

約数和(自身を除く): 47206080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 212, 265, 318, 360, 424, 477, 530, 636, 795, 954, 1060, 1069, 1272, 1590, 1908, 2120, 2138, 2385, 3180, 3207, 3816, 4276, 4770, 5345, 6360, 6414, 8552, 9540, 9621, 10690, 12828, 16035, 19080, 19242, 21380, 25656, 32070, 38484, 42760, 48105, 56657, 64140, 76968, 96210, 113314, 128280, 169971, 192420, 226628, 283285, 339942, 384840, 453256, 509913, 566570, 679884, 849855, 1019826, 1133140, 1359768, 1699710, 2039652, 2266280, 2549565, 3399420, 4079304, 5099130, 6798840, 10198260, 20396520]

約数ペア:

[(1, 20396520), (2, 10198260), (3, 6798840), (4, 5099130), (5, 4079304), (6, 3399420), (8, 2549565), (9, 2266280), (10, 2039652), (12, 1699710), (15, 1359768), (18, 1133140), (20, 1019826), (24, 849855), (30, 679884), (36, 566570), (40, 509913), (45, 453256), (53, 384840), (60, 339942), (72, 283285), (90, 226628), (106, 192420), (120, 169971), (159, 128280), (180, 113314), (212, 96210), (265, 76968), (318, 64140), (360, 56657), (424, 48105), (477, 42760), (530, 38484), (636, 32070), (795, 25656), (954, 21380), (1060, 19242), (1069, 19080), (1272, 16035), (1590, 12828), (1908, 10690), (2120, 9621), (2138, 9540), (2385, 8552), (3180, 6414), (3207, 6360), (3816, 5345), (4276, 4770)]