20101704928

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{31667}}^1$

素因数の和:31999

約数の個数: 48

約数和(自身を含む): 40220893440

約数和(自身を除く): 20119188512

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 239, 332, 478, 664, 956, 1328, 1912, 2656, 3824, 7648, 19837, 31667, 39674, 63334, 79348, 126668, 158696, 253336, 317392, 506672, 634784, 1013344, 2628361, 5256722, 7568413, 10513444, 15136826, 21026888, 30273652, 42053776, 60547304, 84107552, 121094608, 242189216, 628178279, 1256356558, 2512713116, 5025426232, 10050852464, 20101704928]

約数ペア:

[(1, 20101704928), (2, 10050852464), (4, 5025426232), (8, 2512713116), (16, 1256356558), (32, 628178279), (83, 242189216), (166, 121094608), (239, 84107552), (332, 60547304), (478, 42053776), (664, 30273652), (956, 21026888), (1328, 15136826), (1912, 10513444), (2656, 7568413), (3824, 5256722), (7648, 2628361), (19837, 1013344), (31667, 634784), (39674, 506672), (63334, 317392), (79348, 253336), (126668, 158696)]