20736202370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2767}}^1\times {\mathrm{3391}}^1$

素因数の和:6195

約数の個数: 64

約数和(自身を含む): 42588758016

約数和(自身を除く): 21852555646

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 2767, 3391, 5534, 6782, 13835, 16955, 27670, 33910, 35971, 44083, 47039, 57647, 71942, 88166, 94078, 115294, 179855, 220415, 235195, 288235, 359710, 440830, 470390, 576470, 611507, 749411, 1223014, 1498822, 3057535, 3747055, 6115070, 7494110, 9382897, 18765794, 46914485, 93828970, 121977661, 159509249, 243955322, 319018498, 609888305, 797546245, 1219776610, 1595092490, 2073620237, 4147240474, 10368101185, 20736202370]

約数ペア:

[(1, 20736202370), (2, 10368101185), (5, 4147240474), (10, 2073620237), (13, 1595092490), (17, 1219776610), (26, 797546245), (34, 609888305), (65, 319018498), (85, 243955322), (130, 159509249), (170, 121977661), (221, 93828970), (442, 46914485), (1105, 18765794), (2210, 9382897), (2767, 7494110), (3391, 6115070), (5534, 3747055), (6782, 3057535), (13835, 1498822), (16955, 1223014), (27670, 749411), (33910, 611507), (35971, 576470), (44083, 470390), (47039, 440830), (57647, 359710), (71942, 288235), (88166, 235195), (94078, 220415), (115294, 179855)]