20174335948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{256423}}^1$

素因数の和:256546

約数の個数: 48

約数和(自身を含む): 40709874240

約数和(自身を除く): 20535538292

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 89, 178, 221, 356, 442, 884, 1157, 1513, 2314, 3026, 4628, 6052, 19669, 39338, 78676, 256423, 512846, 1025692, 3333499, 4359191, 6666998, 8718382, 13333996, 17436764, 22821647, 45643294, 56669483, 91286588, 113338966, 226677932, 296681411, 387967999, 593362822, 775935998, 1186725644, 1551871996, 5043583987, 10087167974, 20174335948]

約数ペア:

[(1, 20174335948), (2, 10087167974), (4, 5043583987), (13, 1551871996), (17, 1186725644), (26, 775935998), (34, 593362822), (52, 387967999), (68, 296681411), (89, 226677932), (178, 113338966), (221, 91286588), (356, 56669483), (442, 45643294), (884, 22821647), (1157, 17436764), (1513, 13333996), (2314, 8718382), (3026, 6666998), (4628, 4359191), (6052, 3333499), (19669, 1025692), (39338, 512846), (78676, 256423)]