20121856248

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2223901}}^1$

素因数の和:2223952

約数の個数: 64

約数和(自身を含む): 56042330400

約数和(自身を除く): 35920474152

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 78, 87, 104, 116, 156, 174, 232, 312, 348, 377, 696, 754, 1131, 1508, 2262, 3016, 4524, 9048, 2223901, 4447802, 6671703, 8895604, 13343406, 17791208, 26686812, 28910713, 53373624, 57821426, 64493129, 86732139, 115642852, 128986258, 173464278, 193479387, 231285704, 257972516, 346928556, 386958774, 515945032, 693857112, 773917548, 838410677, 1547835096, 1676821354, 2515232031, 3353642708, 5030464062, 6707285416, 10060928124, 20121856248]

約数ペア:

[(1, 20121856248), (2, 10060928124), (3, 6707285416), (4, 5030464062), (6, 3353642708), (8, 2515232031), (12, 1676821354), (13, 1547835096), (24, 838410677), (26, 773917548), (29, 693857112), (39, 515945032), (52, 386958774), (58, 346928556), (78, 257972516), (87, 231285704), (104, 193479387), (116, 173464278), (156, 128986258), (174, 115642852), (232, 86732139), (312, 64493129), (348, 57821426), (377, 53373624), (696, 28910713), (754, 26686812), (1131, 17791208), (1508, 13343406), (2262, 8895604), (3016, 6671703), (4524, 4447802), (9048, 2223901)]