20194990640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22948853}}^1$

素因数の和:22948877

約数の個数: 40

約数和(自身を含む): 51221842128

約数和(自身を除く): 31026851488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22948853, 45897706, 91795412, 114744265, 183590824, 229488530, 252437383, 367181648, 458977060, 504874766, 917954120, 1009749532, 1262186915, 1835908240, 2019499064, 2524373830, 4038998128, 5048747660, 10097495320, 20194990640]

約数ペア:

[(1, 20194990640), (2, 10097495320), (4, 5048747660), (5, 4038998128), (8, 2524373830), (10, 2019499064), (11, 1835908240), (16, 1262186915), (20, 1009749532), (22, 917954120), (40, 504874766), (44, 458977060), (55, 367181648), (80, 252437383), (88, 229488530), (110, 183590824), (176, 114744265), (220, 91795412), (440, 45897706), (880, 22948853)]