20187176784

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{20399}}^1$

素因数の和:20852

約数の個数: 80

約数和(自身を含む): 53273376000

約数和(自身を除く): 33086199216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 389, 424, 636, 778, 848, 1167, 1272, 1556, 2334, 2544, 3112, 4668, 6224, 9336, 18672, 20399, 20617, 40798, 41234, 61197, 61851, 81596, 82468, 122394, 123702, 163192, 164936, 244788, 247404, 326384, 329872, 489576, 494808, 979152, 989616, 1081147, 2162294, 3243441, 4324588, 6486882, 7935211, 8649176, 12973764, 15870422, 17298352, 23805633, 25947528, 31740844, 47611266, 51895056, 63481688, 95222532, 126963376, 190445064, 380890128, 420566183, 841132366, 1261698549, 1682264732, 2523397098, 3364529464, 5046794196, 6729058928, 10093588392, 20187176784]

約数ペア:

[(1, 20187176784), (2, 10093588392), (3, 6729058928), (4, 5046794196), (6, 3364529464), (8, 2523397098), (12, 1682264732), (16, 1261698549), (24, 841132366), (48, 420566183), (53, 380890128), (106, 190445064), (159, 126963376), (212, 95222532), (318, 63481688), (389, 51895056), (424, 47611266), (636, 31740844), (778, 25947528), (848, 23805633), (1167, 17298352), (1272, 15870422), (1556, 12973764), (2334, 8649176), (2544, 7935211), (3112, 6486882), (4668, 4324588), (6224, 3243441), (9336, 2162294), (18672, 1081147), (20399, 989616), (20617, 979152), (40798, 494808), (41234, 489576), (61197, 329872), (61851, 326384), (81596, 247404), (82468, 244788), (122394, 164936), (123702, 163192)]