20895210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1951}}^1$

素因数の和:1988

約数の個数: 96

約数和(自身を含む): 65774592

約数和(自身を除く): 44879382

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 119, 126, 153, 170, 210, 238, 255, 306, 315, 357, 510, 595, 630, 714, 765, 1071, 1190, 1530, 1785, 1951, 2142, 3570, 3902, 5355, 5853, 9755, 10710, 11706, 13657, 17559, 19510, 27314, 29265, 33167, 35118, 40971, 58530, 66334, 68285, 81942, 87795, 99501, 122913, 136570, 165835, 175590, 199002, 204855, 232169, 245826, 298503, 331670, 409710, 464338, 497505, 597006, 614565, 696507, 995010, 1160845, 1229130, 1393014, 1492515, 2089521, 2321690, 2985030, 3482535, 4179042, 6965070, 10447605, 20895210]

約数ペア:

[(1, 20895210), (2, 10447605), (3, 6965070), (5, 4179042), (6, 3482535), (7, 2985030), (9, 2321690), (10, 2089521), (14, 1492515), (15, 1393014), (17, 1229130), (18, 1160845), (21, 995010), (30, 696507), (34, 614565), (35, 597006), (42, 497505), (45, 464338), (51, 409710), (63, 331670), (70, 298503), (85, 245826), (90, 232169), (102, 204855), (105, 199002), (119, 175590), (126, 165835), (153, 136570), (170, 122913), (210, 99501), (238, 87795), (255, 81942), (306, 68285), (315, 66334), (357, 58530), (510, 40971), (595, 35118), (630, 33167), (714, 29265), (765, 27314), (1071, 19510), (1190, 17559), (1530, 13657), (1785, 11706), (1951, 10710), (2142, 9755), (3570, 5853), (3902, 5355)]