20512946481

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 29585571840

約数和(自身を除く): 9072625359

約数列:

[1, 3, 31, 43, 59, 93, 129, 177, 227, 383, 681, 1149, 1333, 1829, 2537, 3999, 5487, 7037, 7611, 9761, 11873, 13393, 16469, 21111, 22597, 29283, 35619, 40179, 49407, 67791, 78647, 86941, 235941, 260823, 302591, 415183, 510539, 575899, 700507, 907773, 971671, 1245549, 1531617, 1727697, 2101521, 2695171, 2915013, 3738463, 5129519, 8085513, 11215389, 15388557, 17852869, 30121801, 53558607, 90365403, 115892353, 159015089, 220569317, 347677059, 477045267, 661707951, 6837648827, 20512946481]

約数ペア:

[(1, 20512946481), (3, 6837648827), (31, 661707951), (43, 477045267), (59, 347677059), (93, 220569317), (129, 159015089), (177, 115892353), (227, 90365403), (383, 53558607), (681, 30121801), (1149, 17852869), (1333, 15388557), (1829, 11215389), (2537, 8085513), (3999, 5129519), (5487, 3738463), (7037, 2915013), (7611, 2695171), (9761, 2101521), (11873, 1727697), (13393, 1531617), (16469, 1245549), (21111, 971671), (22597, 907773), (29283, 700507), (35619, 575899), (40179, 510539), (49407, 415183), (67791, 302591), (78647, 260823), (86941, 235941)]