20122031228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^2$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 39146772672

約数和(自身を除く): 19024741444

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 157, 188, 229, 314, 458, 611, 628, 916, 1222, 2041, 2444, 2977, 4082, 5954, 7379, 8164, 10763, 11908, 14758, 21526, 29516, 35953, 43052, 52441, 71906, 95927, 104882, 139919, 143812, 191854, 209764, 279838, 383708, 467389, 559676, 681733, 934778, 1363466, 1689791, 1869556, 2464727, 2726932, 3379582, 4929454, 6759164, 8233237, 9858908, 16466474, 21967283, 32041451, 32932948, 43934566, 64082902, 87869132, 107032081, 128165804, 214064162, 386962139, 428128324, 773924278, 1547848556, 5030507807, 10061015614, 20122031228]

約数ペア:

[(1, 20122031228), (2, 10061015614), (4, 5030507807), (13, 1547848556), (26, 773924278), (47, 428128324), (52, 386962139), (94, 214064162), (157, 128165804), (188, 107032081), (229, 87869132), (314, 64082902), (458, 43934566), (611, 32932948), (628, 32041451), (916, 21967283), (1222, 16466474), (2041, 9858908), (2444, 8233237), (2977, 6759164), (4082, 4929454), (5954, 3379582), (7379, 2726932), (8164, 2464727), (10763, 1869556), (11908, 1689791), (14758, 1363466), (21526, 934778), (29516, 681733), (35953, 559676), (43052, 467389), (52441, 383708), (71906, 279838), (95927, 209764), (104882, 191854), (139919, 143812)]