20116256

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 41844600

約数和(自身を除く): 21728344

約数列:

[1, 2, 4, 8, 16, 29, 32, 53, 58, 106, 116, 212, 232, 409, 424, 464, 818, 848, 928, 1537, 1636, 1696, 3074, 3272, 6148, 6544, 11861, 12296, 13088, 21677, 23722, 24592, 43354, 47444, 49184, 86708, 94888, 173416, 189776, 346832, 379552, 628633, 693664, 1257266, 2514532, 5029064, 10058128, 20116256]

約数ペア:

[(1, 20116256), (2, 10058128), (4, 5029064), (8, 2514532), (16, 1257266), (29, 693664), (32, 628633), (53, 379552), (58, 346832), (106, 189776), (116, 173416), (212, 94888), (232, 86708), (409, 49184), (424, 47444), (464, 43354), (818, 24592), (848, 23722), (928, 21677), (1537, 13088), (1636, 12296), (1696, 11861), (3074, 6544), (3272, 6148)]