20258978864

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1\times {\mathrm{1723}}^1$

素因数の和:2202

約数の個数: 80

約数和(自身を含む): 41558054400

約数和(自身を除く): 21299075536

約数列:

[1, 2, 4, 8, 16, 23, 46, 89, 92, 178, 184, 356, 359, 368, 712, 718, 1424, 1436, 1723, 2047, 2872, 3446, 4094, 5744, 6892, 8188, 8257, 13784, 16376, 16514, 27568, 31951, 32752, 33028, 39629, 63902, 66056, 79258, 127804, 132112, 153347, 158516, 255608, 306694, 317032, 511216, 613388, 618557, 634064, 734873, 1226776, 1237114, 1469746, 2453552, 2474228, 2939492, 3526981, 4948456, 5878984, 7053962, 9896912, 11757968, 14107924, 14226811, 28215848, 28453622, 55051573, 56431696, 56907244, 110103146, 113814488, 220206292, 227628976, 440412584, 880825168, 1266186179, 2532372358, 5064744716, 10129489432, 20258978864]

約数ペア:

[(1, 20258978864), (2, 10129489432), (4, 5064744716), (8, 2532372358), (16, 1266186179), (23, 880825168), (46, 440412584), (89, 227628976), (92, 220206292), (178, 113814488), (184, 110103146), (356, 56907244), (359, 56431696), (368, 55051573), (712, 28453622), (718, 28215848), (1424, 14226811), (1436, 14107924), (1723, 11757968), (2047, 9896912), (2872, 7053962), (3446, 5878984), (4094, 4948456), (5744, 3526981), (6892, 2939492), (8188, 2474228), (8257, 2453552), (13784, 1469746), (16376, 1237114), (16514, 1226776), (27568, 734873), (31951, 634064), (32752, 618557), (33028, 613388), (39629, 511216), (63902, 317032), (66056, 306694), (79258, 255608), (127804, 158516), (132112, 153347)]