20807589310

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1\times {\mathrm{643}}^1$

素因数の和:1277

約数の個数: 64

約数和(自身を含む): 38501854272

約数和(自身を除く): 17694264962

約数列:

[1, 2, 5, 10, 73, 97, 146, 194, 365, 457, 485, 643, 730, 914, 970, 1286, 2285, 3215, 4570, 6430, 7081, 14162, 33361, 35405, 44329, 46939, 62371, 66722, 70810, 88658, 93878, 124742, 166805, 221645, 234695, 293851, 311855, 333610, 443290, 469390, 587702, 623710, 1469255, 2938510, 3236017, 4553083, 6472034, 9106166, 16180085, 21451123, 22765415, 28503547, 32360170, 42902246, 45530830, 57007094, 107255615, 142517735, 214511230, 285035470, 2080758931, 4161517862, 10403794655, 20807589310]

約数ペア:

[(1, 20807589310), (2, 10403794655), (5, 4161517862), (10, 2080758931), (73, 285035470), (97, 214511230), (146, 142517735), (194, 107255615), (365, 57007094), (457, 45530830), (485, 42902246), (643, 32360170), (730, 28503547), (914, 22765415), (970, 21451123), (1286, 16180085), (2285, 9106166), (3215, 6472034), (4570, 4553083), (6430, 3236017), (7081, 2938510), (14162, 1469255), (33361, 623710), (35405, 587702), (44329, 469390), (46939, 443290), (62371, 333610), (66722, 311855), (70810, 293851), (88658, 234695), (93878, 221645), (124742, 166805)]