20983512

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1303}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 58210560

約数和(自身を除く): 37227048

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 61, 66, 88, 122, 132, 183, 244, 264, 366, 488, 671, 732, 1303, 1342, 1464, 2013, 2606, 2684, 3909, 4026, 5212, 5368, 7818, 8052, 10424, 14333, 15636, 16104, 28666, 31272, 42999, 57332, 79483, 85998, 114664, 158966, 171996, 238449, 317932, 343992, 476898, 635864, 874313, 953796, 1748626, 1907592, 2622939, 3497252, 5245878, 6994504, 10491756, 20983512]

約数ペア:

[(1, 20983512), (2, 10491756), (3, 6994504), (4, 5245878), (6, 3497252), (8, 2622939), (11, 1907592), (12, 1748626), (22, 953796), (24, 874313), (33, 635864), (44, 476898), (61, 343992), (66, 317932), (88, 238449), (122, 171996), (132, 158966), (183, 114664), (244, 85998), (264, 79483), (366, 57332), (488, 42999), (671, 31272), (732, 28666), (1303, 16104), (1342, 15636), (1464, 14333), (2013, 10424), (2606, 8052), (2684, 7818), (3909, 5368), (4026, 5212)]