20786250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:289

約数の個数: 80

約数和(自身を含む): 54432576

約数和(自身を除く): 33646326

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 125, 138, 150, 230, 241, 250, 345, 375, 482, 575, 625, 690, 723, 750, 1150, 1205, 1250, 1446, 1725, 1875, 2410, 2875, 3450, 3615, 3750, 5543, 5750, 6025, 7230, 8625, 11086, 12050, 14375, 16629, 17250, 18075, 27715, 28750, 30125, 33258, 36150, 43125, 55430, 60250, 83145, 86250, 90375, 138575, 150625, 166290, 180750, 277150, 301250, 415725, 451875, 692875, 831450, 903750, 1385750, 2078625, 3464375, 4157250, 6928750, 10393125, 20786250]

約数ペア:

[(1, 20786250), (2, 10393125), (3, 6928750), (5, 4157250), (6, 3464375), (10, 2078625), (15, 1385750), (23, 903750), (25, 831450), (30, 692875), (46, 451875), (50, 415725), (69, 301250), (75, 277150), (115, 180750), (125, 166290), (138, 150625), (150, 138575), (230, 90375), (241, 86250), (250, 83145), (345, 60250), (375, 55430), (482, 43125), (575, 36150), (625, 33258), (690, 30125), (723, 28750), (750, 27715), (1150, 18075), (1205, 17250), (1250, 16629), (1446, 14375), (1725, 12050), (1875, 11086), (2410, 8625), (2875, 7230), (3450, 6025), (3615, 5750), (3750, 5543)]