20143789460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{7481}}^1$

素因数の和:7665

約数の個数: 96

約数和(自身を含む): 45130466304

約数和(自身を除く): 24986676844

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 101, 124, 155, 172, 202, 215, 310, 404, 430, 505, 620, 860, 1010, 1333, 2020, 2666, 3131, 4343, 5332, 6262, 6665, 7481, 8686, 12524, 13330, 14962, 15655, 17372, 21715, 26660, 29924, 31310, 37405, 43430, 62620, 74810, 86860, 134633, 149620, 231911, 269266, 321683, 463822, 538532, 643366, 673165, 755581, 927644, 1159555, 1286732, 1346330, 1511162, 1608415, 2319110, 2692660, 3022324, 3216830, 3777905, 4638220, 6433660, 7555810, 9972173, 15111620, 19944346, 23423011, 32489983, 39888692, 46846022, 49860865, 64979966, 93692044, 99721730, 117115055, 129959932, 162449915, 199443460, 234230110, 324899830, 468460220, 649799660, 1007189473, 2014378946, 4028757892, 5035947365, 10071894730, 20143789460]

約数ペア:

[(1, 20143789460), (2, 10071894730), (4, 5035947365), (5, 4028757892), (10, 2014378946), (20, 1007189473), (31, 649799660), (43, 468460220), (62, 324899830), (86, 234230110), (101, 199443460), (124, 162449915), (155, 129959932), (172, 117115055), (202, 99721730), (215, 93692044), (310, 64979966), (404, 49860865), (430, 46846022), (505, 39888692), (620, 32489983), (860, 23423011), (1010, 19944346), (1333, 15111620), (2020, 9972173), (2666, 7555810), (3131, 6433660), (4343, 4638220), (5332, 3777905), (6262, 3216830), (6665, 3022324), (7481, 2692660), (8686, 2319110), (12524, 1608415), (13330, 1511162), (14962, 1346330), (15655, 1286732), (17372, 1159555), (21715, 927644), (26660, 755581), (29924, 673165), (31310, 643366), (37405, 538532), (43430, 463822), (62620, 321683), (74810, 269266), (86860, 231911), (134633, 149620)]