20792887915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{571}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 27576806400

約数和(自身を除く): 6783918485

約数列:

[1, 5, 23, 29, 61, 115, 145, 179, 305, 571, 667, 895, 1403, 1769, 2855, 3335, 4117, 5191, 7015, 8845, 10919, 13133, 16559, 20585, 25955, 34831, 40687, 54595, 65665, 82795, 102209, 119393, 174155, 203435, 251137, 316651, 380857, 511045, 596965, 801113, 1010099, 1255685, 1583255, 1904285, 2350807, 2964061, 4005565, 5050495, 6234749, 7282973, 11754035, 14820305, 23232277, 31173745, 36414865, 68173403, 116161385, 143399227, 180807721, 340867015, 716996135, 904038605, 4158577583, 20792887915]

約数ペア:

[(1, 20792887915), (5, 4158577583), (23, 904038605), (29, 716996135), (61, 340867015), (115, 180807721), (145, 143399227), (179, 116161385), (305, 68173403), (571, 36414865), (667, 31173745), (895, 23232277), (1403, 14820305), (1769, 11754035), (2855, 7282973), (3335, 6234749), (4117, 5050495), (5191, 4005565), (7015, 2964061), (8845, 2350807), (10919, 1904285), (13133, 1583255), (16559, 1255685), (20585, 1010099), (25955, 801113), (34831, 596965), (40687, 511045), (54595, 380857), (65665, 316651), (82795, 251137), (102209, 203435), (119393, 174155)]