20973930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 53187840

約数和(自身を除く): 32213910

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 113, 115, 138, 226, 230, 269, 339, 345, 538, 565, 678, 690, 807, 1130, 1345, 1614, 1695, 2599, 2690, 3390, 4035, 5198, 6187, 7797, 8070, 12374, 12995, 15594, 18561, 25990, 30397, 30935, 37122, 38985, 60794, 61870, 77970, 91191, 92805, 151985, 182382, 185610, 303970, 455955, 699131, 911910, 1398262, 2097393, 3495655, 4194786, 6991310, 10486965, 20973930]

約数ペア:

[(1, 20973930), (2, 10486965), (3, 6991310), (5, 4194786), (6, 3495655), (10, 2097393), (15, 1398262), (23, 911910), (30, 699131), (46, 455955), (69, 303970), (113, 185610), (115, 182382), (138, 151985), (226, 92805), (230, 91191), (269, 77970), (339, 61870), (345, 60794), (538, 38985), (565, 37122), (678, 30935), (690, 30397), (807, 25990), (1130, 18561), (1345, 15594), (1614, 12995), (1695, 12374), (2599, 8070), (2690, 7797), (3390, 6187), (4035, 5198)]