20196799220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3733}}^1\times {\mathrm{20809}}^1$

素因数の和:24564

約数の個数: 48

約数和(自身を含む): 45690269520

約数和(自身を除く): 25493470300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3733, 7466, 14932, 18665, 20809, 37330, 41618, 48529, 74660, 83236, 97058, 104045, 194116, 208090, 242645, 270517, 416180, 485290, 541034, 970580, 1082068, 1352585, 2705170, 5410340, 77679997, 155359994, 310719988, 388399985, 776799970, 1009839961, 1553599940, 2019679922, 4039359844, 5049199805, 10098399610, 20196799220]

約数ペア:

[(1, 20196799220), (2, 10098399610), (4, 5049199805), (5, 4039359844), (10, 2019679922), (13, 1553599940), (20, 1009839961), (26, 776799970), (52, 388399985), (65, 310719988), (130, 155359994), (260, 77679997), (3733, 5410340), (7466, 2705170), (14932, 1352585), (18665, 1082068), (20809, 970580), (37330, 541034), (41618, 485290), (48529, 416180), (74660, 270517), (83236, 242645), (97058, 208090), (104045, 194116)]