20142467540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{870461}}^1$

素因数の和:870572

約数の個数: 48

約数和(自身を含む): 46064849040

約数和(自身を除く): 25922381500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 11570, 23140, 870461, 1740922, 3481844, 4352305, 8704610, 11315993, 17409220, 22631986, 45263972, 56579965, 77471029, 113159930, 154942058, 226319860, 309884116, 387355145, 774710290, 1007123377, 1549420580, 2014246754, 4028493508, 5035616885, 10071233770, 20142467540]

約数ペア:

[(1, 20142467540), (2, 10071233770), (4, 5035616885), (5, 4028493508), (10, 2014246754), (13, 1549420580), (20, 1007123377), (26, 774710290), (52, 387355145), (65, 309884116), (89, 226319860), (130, 154942058), (178, 113159930), (260, 77471029), (356, 56579965), (445, 45263972), (890, 22631986), (1157, 17409220), (1780, 11315993), (2314, 8704610), (4628, 4352305), (5785, 3481844), (11570, 1740922), (23140, 870461)]