20157973856

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{3329}}^1\times {\mathrm{11131}}^1$

素因数の和:14487

約数の個数: 48

約数和(自身を含む): 42036881040

約数和(自身を除く): 21878907184

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 3329, 6658, 11131, 13316, 22262, 26632, 44524, 53264, 56593, 89048, 106528, 113186, 178096, 189227, 226372, 356192, 378454, 452744, 756908, 905488, 1513816, 1810976, 3027632, 6055264, 37055099, 74110198, 148220396, 296440792, 592881584, 629936683, 1185763168, 1259873366, 2519746732, 5039493464, 10078986928, 20157973856]

約数ペア:

[(1, 20157973856), (2, 10078986928), (4, 5039493464), (8, 2519746732), (16, 1259873366), (17, 1185763168), (32, 629936683), (34, 592881584), (68, 296440792), (136, 148220396), (272, 74110198), (544, 37055099), (3329, 6055264), (6658, 3027632), (11131, 1810976), (13316, 1513816), (22262, 905488), (26632, 756908), (44524, 452744), (53264, 378454), (56593, 356192), (89048, 226372), (106528, 189227), (113186, 178096)]