20558090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^2$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 44523648

約数和(自身を除く): 23965558

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 113, 115, 161, 226, 230, 322, 565, 791, 805, 1130, 1582, 1610, 2599, 3955, 5198, 7910, 12769, 12995, 18193, 25538, 25990, 36386, 63845, 89383, 90965, 127690, 178766, 181930, 293687, 446915, 587374, 893830, 1468435, 2055809, 2936870, 4111618, 10279045, 20558090]

約数ペア:

[(1, 20558090), (2, 10279045), (5, 4111618), (7, 2936870), (10, 2055809), (14, 1468435), (23, 893830), (35, 587374), (46, 446915), (70, 293687), (113, 181930), (115, 178766), (161, 127690), (226, 90965), (230, 89383), (322, 63845), (565, 36386), (791, 25990), (805, 25538), (1130, 18193), (1582, 12995), (1610, 12769), (2599, 7910), (3955, 5198)]