20153490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5051}}^1$

素因数の和:5087

約数の個数: 64

約数和(自身を含む): 58199040

約数和(自身を除く): 38045550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 5051, 10102, 15153, 25255, 30306, 35357, 50510, 70714, 75765, 95969, 106071, 151530, 176785, 191938, 212142, 287907, 353570, 479845, 530355, 575814, 671783, 959690, 1060710, 1343566, 1439535, 2015349, 2879070, 3358915, 4030698, 6717830, 10076745, 20153490]

約数ペア:

[(1, 20153490), (2, 10076745), (3, 6717830), (5, 4030698), (6, 3358915), (7, 2879070), (10, 2015349), (14, 1439535), (15, 1343566), (19, 1060710), (21, 959690), (30, 671783), (35, 575814), (38, 530355), (42, 479845), (57, 353570), (70, 287907), (95, 212142), (105, 191938), (114, 176785), (133, 151530), (190, 106071), (210, 95969), (266, 75765), (285, 70714), (399, 50510), (570, 35357), (665, 30306), (798, 25255), (1330, 15153), (1995, 10102), (3990, 5051)]