20073260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 45704736

約数和(自身を除く): 25631476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1373, 1462, 2746, 2924, 3655, 5492, 6865, 7310, 13730, 14620, 23341, 27460, 46682, 59039, 93364, 116705, 118078, 233410, 236156, 295195, 466820, 590390, 1003663, 1180780, 2007326, 4014652, 5018315, 10036630, 20073260]

約数ペア:

[(1, 20073260), (2, 10036630), (4, 5018315), (5, 4014652), (10, 2007326), (17, 1180780), (20, 1003663), (34, 590390), (43, 466820), (68, 295195), (85, 236156), (86, 233410), (170, 118078), (172, 116705), (215, 93364), (340, 59039), (430, 46682), (731, 27460), (860, 23341), (1373, 14620), (1462, 13730), (2746, 7310), (2924, 6865), (3655, 5492)]