20120124

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 49351680

約数和(自身を除く): 29231556

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 269, 271, 276, 538, 542, 807, 813, 1076, 1084, 1614, 1626, 3228, 3252, 6187, 6233, 12374, 12466, 18561, 18699, 24748, 24932, 37122, 37398, 72899, 74244, 74796, 145798, 218697, 291596, 437394, 874788, 1676677, 3353354, 5030031, 6706708, 10060062, 20120124]

約数ペア:

[(1, 20120124), (2, 10060062), (3, 6706708), (4, 5030031), (6, 3353354), (12, 1676677), (23, 874788), (46, 437394), (69, 291596), (92, 218697), (138, 145798), (269, 74796), (271, 74244), (276, 72899), (538, 37398), (542, 37122), (807, 24932), (813, 24748), (1076, 18699), (1084, 18561), (1614, 12466), (1626, 12374), (3228, 6233), (3252, 6187)]