20837856

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:368

約数の個数: 96

約数和(自身を含む): 60117120

約数和(自身を除く): 39279264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 59, 78, 96, 104, 118, 156, 177, 208, 236, 283, 312, 354, 416, 472, 566, 624, 708, 767, 849, 944, 1132, 1248, 1416, 1534, 1698, 1888, 2264, 2301, 2832, 3068, 3396, 3679, 4528, 4602, 5664, 6136, 6792, 7358, 9056, 9204, 11037, 12272, 13584, 14716, 16697, 18408, 22074, 24544, 27168, 29432, 33394, 36816, 44148, 50091, 58864, 66788, 73632, 88296, 100182, 117728, 133576, 176592, 200364, 217061, 267152, 353184, 400728, 434122, 534304, 651183, 801456, 868244, 1302366, 1602912, 1736488, 2604732, 3472976, 5209464, 6945952, 10418928, 20837856]

約数ペア:

[(1, 20837856), (2, 10418928), (3, 6945952), (4, 5209464), (6, 3472976), (8, 2604732), (12, 1736488), (13, 1602912), (16, 1302366), (24, 868244), (26, 801456), (32, 651183), (39, 534304), (48, 434122), (52, 400728), (59, 353184), (78, 267152), (96, 217061), (104, 200364), (118, 176592), (156, 133576), (177, 117728), (208, 100182), (236, 88296), (283, 73632), (312, 66788), (354, 58864), (416, 50091), (472, 44148), (566, 36816), (624, 33394), (708, 29432), (767, 27168), (849, 24544), (944, 22074), (1132, 18408), (1248, 16697), (1416, 14716), (1534, 13584), (1698, 12272), (1888, 11037), (2264, 9204), (2301, 9056), (2832, 7358), (3068, 6792), (3396, 6136), (3679, 5664), (4528, 4602)]