20091052930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{75721}}^1$

素因数の和:75911

約数の個数: 48

約数和(自身を含む): 39409666344

約数和(自身を除く): 19318613414

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 169, 314, 338, 785, 845, 1570, 1690, 2041, 4082, 10205, 20410, 26533, 53066, 75721, 132665, 151442, 265330, 378605, 757210, 984373, 1968746, 4921865, 9843730, 11888197, 12796849, 23776394, 25593698, 59440985, 63984245, 118881970, 127968490, 154546561, 309093122, 772732805, 1545465610, 2009105293, 4018210586, 10045526465, 20091052930]

約数ペア:

[(1, 20091052930), (2, 10045526465), (5, 4018210586), (10, 2009105293), (13, 1545465610), (26, 772732805), (65, 309093122), (130, 154546561), (157, 127968490), (169, 118881970), (314, 63984245), (338, 59440985), (785, 25593698), (845, 23776394), (1570, 12796849), (1690, 11888197), (2041, 9843730), (4082, 4921865), (10205, 1968746), (20410, 984373), (26533, 757210), (53066, 378605), (75721, 265330), (132665, 151442)]