20020548304

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{493993}}^1$

素因数の和:494167

約数の個数: 40

約数和(自身を含む): 41347297800

約数和(自身を除く): 21326749496

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 149, 272, 298, 596, 1192, 2384, 2533, 5066, 10132, 20264, 40528, 493993, 987986, 1975972, 3951944, 7903888, 8397881, 16795762, 33591524, 67183048, 73604957, 134366096, 147209914, 294419828, 588839656, 1177679312, 1251284269, 2502568538, 5005137076, 10010274152, 20020548304]

約数ペア:

[(1, 20020548304), (2, 10010274152), (4, 5005137076), (8, 2502568538), (16, 1251284269), (17, 1177679312), (34, 588839656), (68, 294419828), (136, 147209914), (149, 134366096), (272, 73604957), (298, 67183048), (596, 33591524), (1192, 16795762), (2384, 8397881), (2533, 7903888), (5066, 3951944), (10132, 1975972), (20264, 987986), (40528, 493993)]