20804110808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{31547}}^1$

素因数の和:31956

約数の個数: 64

約数和(自身を含む): 44600038560

約数和(自身を除く): 23795927752

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 373, 442, 746, 884, 1492, 1768, 2984, 4849, 6341, 9698, 12682, 19396, 25364, 31547, 38792, 50728, 63094, 82433, 126188, 164866, 252376, 329732, 410111, 536299, 659464, 820222, 1072598, 1640444, 2145196, 3280888, 4290392, 6971887, 11767031, 13943774, 23534062, 27887548, 47068124, 55775096, 94136248, 152971403, 200039527, 305942806, 400079054, 611885612, 800158108, 1223771224, 1600316216, 2600513851, 5201027702, 10402055404, 20804110808]

約数ペア:

[(1, 20804110808), (2, 10402055404), (4, 5201027702), (8, 2600513851), (13, 1600316216), (17, 1223771224), (26, 800158108), (34, 611885612), (52, 400079054), (68, 305942806), (104, 200039527), (136, 152971403), (221, 94136248), (373, 55775096), (442, 47068124), (746, 27887548), (884, 23534062), (1492, 13943774), (1768, 11767031), (2984, 6971887), (4849, 4290392), (6341, 3280888), (9698, 2145196), (12682, 1640444), (19396, 1072598), (25364, 820222), (31547, 659464), (38792, 536299), (50728, 410111), (63094, 329732), (82433, 252376), (126188, 164866)]