20020954448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{10303}}^1$

素因数の和:10564

約数の個数: 80

約数和(自身を含む): 43252564992

約数和(自身を除く): 23231610544

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 181, 244, 362, 488, 671, 724, 976, 1342, 1448, 1991, 2684, 2896, 3982, 5368, 7964, 10303, 10736, 11041, 15928, 20606, 22082, 31856, 41212, 44164, 82424, 88328, 113333, 121451, 164848, 176656, 226666, 242902, 453332, 485804, 628483, 906664, 971608, 1256966, 1813328, 1864843, 1943216, 2513932, 3729686, 5027864, 6913313, 7459372, 10055728, 13826626, 14918744, 20513273, 27653252, 29837488, 41026546, 55306504, 82053092, 110613008, 113755423, 164106184, 227510846, 328212368, 455021692, 910043384, 1251309653, 1820086768, 2502619306, 5005238612, 10010477224, 20020954448]

約数ペア:

[(1, 20020954448), (2, 10010477224), (4, 5005238612), (8, 2502619306), (11, 1820086768), (16, 1251309653), (22, 910043384), (44, 455021692), (61, 328212368), (88, 227510846), (122, 164106184), (176, 113755423), (181, 110613008), (244, 82053092), (362, 55306504), (488, 41026546), (671, 29837488), (724, 27653252), (976, 20513273), (1342, 14918744), (1448, 13826626), (1991, 10055728), (2684, 7459372), (2896, 6913313), (3982, 5027864), (5368, 3729686), (7964, 2513932), (10303, 1943216), (10736, 1864843), (11041, 1813328), (15928, 1256966), (20606, 971608), (22082, 906664), (31856, 628483), (41212, 485804), (44164, 453332), (82424, 242902), (88328, 226666), (113333, 176656), (121451, 164848)]