20512751610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{209549}}^1$

素因数の和:209823

約数の個数: 64

約数和(自身を含む): 53229052800

約数和(自身を除く): 32716301190

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 251, 390, 502, 753, 1255, 1506, 2510, 3263, 3765, 6526, 7530, 9789, 16315, 19578, 32630, 48945, 97890, 209549, 419098, 628647, 1047745, 1257294, 2095490, 2724137, 3143235, 5448274, 6286470, 8172411, 13620685, 16344822, 27241370, 40862055, 52596799, 81724110, 105193598, 157790397, 262983995, 315580794, 525967990, 683758387, 788951985, 1367516774, 1577903970, 2051275161, 3418791935, 4102550322, 6837583870, 10256375805, 20512751610]

約数ペア:

[(1, 20512751610), (2, 10256375805), (3, 6837583870), (5, 4102550322), (6, 3418791935), (10, 2051275161), (13, 1577903970), (15, 1367516774), (26, 788951985), (30, 683758387), (39, 525967990), (65, 315580794), (78, 262983995), (130, 157790397), (195, 105193598), (251, 81724110), (390, 52596799), (502, 40862055), (753, 27241370), (1255, 16344822), (1506, 13620685), (2510, 8172411), (3263, 6286470), (3765, 5448274), (6526, 3143235), (7530, 2724137), (9789, 2095490), (16315, 1257294), (19578, 1047745), (32630, 628647), (48945, 419098), (97890, 209549)]