20138041805

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{9187}}^1$

素因数の和:9618

約数の個数: 48

約数和(自身を含む): 29411890560

約数和(自身を除く): 9273848755

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 389, 805, 1127, 1945, 2723, 5635, 8947, 9187, 13615, 19061, 44735, 45935, 62629, 64309, 95305, 211301, 313145, 321545, 438403, 450163, 1056505, 1479107, 2192015, 2250815, 3573743, 7395535, 10353749, 17868715, 25016201, 51768745, 82196089, 125081005, 175113407, 410980445, 575372623, 875567035, 2876863115, 4027608361, 20138041805]

約数ペア:

[(1, 20138041805), (5, 4027608361), (7, 2876863115), (23, 875567035), (35, 575372623), (49, 410980445), (115, 175113407), (161, 125081005), (245, 82196089), (389, 51768745), (805, 25016201), (1127, 17868715), (1945, 10353749), (2723, 7395535), (5635, 3573743), (8947, 2250815), (9187, 2192015), (13615, 1479107), (19061, 1056505), (44735, 450163), (45935, 438403), (62629, 321545), (64309, 313145), (95305, 211301)]