20703888

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2357}}^1$

素因数の和:2432

約数の個数: 60

約数和(自身を含む): 58916988

約数和(自身を除く): 38213100

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2357, 2928, 4392, 4714, 7071, 8784, 9428, 14142, 18856, 21213, 28284, 37712, 42426, 56568, 84852, 113136, 143777, 169704, 287554, 339408, 431331, 575108, 862662, 1150216, 1293993, 1725324, 2300432, 2587986, 3450648, 5175972, 6901296, 10351944, 20703888]

約数ペア:

[(1, 20703888), (2, 10351944), (3, 6901296), (4, 5175972), (6, 3450648), (8, 2587986), (9, 2300432), (12, 1725324), (16, 1293993), (18, 1150216), (24, 862662), (36, 575108), (48, 431331), (61, 339408), (72, 287554), (122, 169704), (144, 143777), (183, 113136), (244, 84852), (366, 56568), (488, 42426), (549, 37712), (732, 28284), (976, 21213), (1098, 18856), (1464, 14142), (2196, 9428), (2357, 8784), (2928, 7071), (4392, 4714)]