20185787648

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{929}}^1\times {\mathrm{6529}}^1$

素因数の和:7487

約数の個数: 72

約数和(自身を含む): 43445526600

約数和(自身を除く): 23259738952

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 929, 1664, 1858, 3328, 3716, 6529, 7432, 12077, 13058, 14864, 24154, 26116, 29728, 48308, 52232, 59456, 84877, 96616, 104464, 118912, 169754, 193232, 208928, 237824, 339508, 386464, 417856, 679016, 772928, 835712, 1358032, 1545856, 1671424, 2716064, 3091712, 5432128, 6065441, 10864256, 12130882, 21728512, 24261764, 48523528, 78850733, 97047056, 157701466, 194094112, 315402932, 388188224, 630805864, 776376448, 1261611728, 1552752896, 2523223456, 5046446912, 10092893824, 20185787648]

約数ペア:

[(1, 20185787648), (2, 10092893824), (4, 5046446912), (8, 2523223456), (13, 1552752896), (16, 1261611728), (26, 776376448), (32, 630805864), (52, 388188224), (64, 315402932), (104, 194094112), (128, 157701466), (208, 97047056), (256, 78850733), (416, 48523528), (832, 24261764), (929, 21728512), (1664, 12130882), (1858, 10864256), (3328, 6065441), (3716, 5432128), (6529, 3091712), (7432, 2716064), (12077, 1671424), (13058, 1545856), (14864, 1358032), (24154, 835712), (26116, 772928), (29728, 679016), (48308, 417856), (52232, 386464), (59456, 339508), (84877, 237824), (96616, 208928), (104464, 193232), (118912, 169754)]