20153710064

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1\times {\mathrm{787}}^1$

素因数の和:1318

約数の個数: 80

約数和(自身を含む): 40546571520

約数和(自身を除く): 20392861456

約数列:

[1, 2, 4, 8, 16, 41, 82, 103, 164, 206, 328, 379, 412, 656, 758, 787, 824, 1516, 1574, 1648, 3032, 3148, 4223, 6064, 6296, 8446, 12592, 15539, 16892, 31078, 32267, 33784, 39037, 62156, 64534, 67568, 78074, 81061, 124312, 129068, 156148, 162122, 248624, 258136, 298273, 312296, 324244, 516272, 596546, 624592, 648488, 1193092, 1296976, 1600517, 2386184, 3201034, 3323501, 4772368, 6402068, 6647002, 12229193, 12804136, 13294004, 24458386, 25608272, 26588008, 30722119, 48916772, 53176016, 61444238, 97833544, 122888476, 195667088, 245776952, 491553904, 1259606879, 2519213758, 5038427516, 10076855032, 20153710064]

約数ペア:

[(1, 20153710064), (2, 10076855032), (4, 5038427516), (8, 2519213758), (16, 1259606879), (41, 491553904), (82, 245776952), (103, 195667088), (164, 122888476), (206, 97833544), (328, 61444238), (379, 53176016), (412, 48916772), (656, 30722119), (758, 26588008), (787, 25608272), (824, 24458386), (1516, 13294004), (1574, 12804136), (1648, 12229193), (3032, 6647002), (3148, 6402068), (4223, 4772368), (6064, 3323501), (6296, 3201034), (8446, 2386184), (12592, 1600517), (15539, 1296976), (16892, 1193092), (31078, 648488), (32267, 624592), (33784, 596546), (39037, 516272), (62156, 324244), (64534, 312296), (67568, 298273), (78074, 258136), (81061, 248624), (124312, 162122), (129068, 156148)]