20191232608

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{30841}}^1$

素因数の和:31391

約数の個数: 48

約数和(自身を含む): 40803966000

約数和(自身を除く): 20612733392

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 499, 656, 998, 1312, 1996, 3992, 7984, 15968, 20459, 30841, 40918, 61682, 81836, 123364, 163672, 246728, 327344, 493456, 654688, 986912, 1264481, 2528962, 5057924, 10115848, 15389659, 20231696, 30779318, 40463392, 61558636, 123117272, 246234544, 492469088, 630976019, 1261952038, 2523904076, 5047808152, 10095616304, 20191232608]

約数ペア:

[(1, 20191232608), (2, 10095616304), (4, 5047808152), (8, 2523904076), (16, 1261952038), (32, 630976019), (41, 492469088), (82, 246234544), (164, 123117272), (328, 61558636), (499, 40463392), (656, 30779318), (998, 20231696), (1312, 15389659), (1996, 10115848), (3992, 5057924), (7984, 2528962), (15968, 1264481), (20459, 986912), (30841, 654688), (40918, 493456), (61682, 327344), (81836, 246728), (123364, 163672)]