20137860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6581}}^1$

素因数の和:6613

約数の個数: 72

約数和(自身を含む): 64687896

約数和(自身を除く): 44550036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6581, 13162, 19743, 26324, 32905, 39486, 59229, 65810, 78972, 98715, 111877, 118458, 131620, 197430, 223754, 236916, 296145, 335631, 394860, 447508, 559385, 592290, 671262, 1006893, 1118770, 1184580, 1342524, 1678155, 2013786, 2237540, 3356310, 4027572, 5034465, 6712620, 10068930, 20137860]

約数ペア:

[(1, 20137860), (2, 10068930), (3, 6712620), (4, 5034465), (5, 4027572), (6, 3356310), (9, 2237540), (10, 2013786), (12, 1678155), (15, 1342524), (17, 1184580), (18, 1118770), (20, 1006893), (30, 671262), (34, 592290), (36, 559385), (45, 447508), (51, 394860), (60, 335631), (68, 296145), (85, 236916), (90, 223754), (102, 197430), (153, 131620), (170, 118458), (180, 111877), (204, 98715), (255, 78972), (306, 65810), (340, 59229), (510, 39486), (612, 32905), (765, 26324), (1020, 19743), (1530, 13162), (3060, 6581)]