20053275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 36664320

約数和(自身を除く): 16611045

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 109, 165, 223, 275, 327, 545, 669, 825, 1115, 1199, 1635, 2453, 2725, 3345, 3597, 5575, 5995, 7359, 8175, 12265, 16725, 17985, 24307, 29975, 36795, 61325, 72921, 89925, 121535, 183975, 267377, 364605, 607675, 802131, 1336885, 1823025, 4010655, 6684425, 20053275]

約数ペア:

[(1, 20053275), (3, 6684425), (5, 4010655), (11, 1823025), (15, 1336885), (25, 802131), (33, 607675), (55, 364605), (75, 267377), (109, 183975), (165, 121535), (223, 89925), (275, 72921), (327, 61325), (545, 36795), (669, 29975), (825, 24307), (1115, 17985), (1199, 16725), (1635, 12265), (2453, 8175), (2725, 7359), (3345, 5995), (3597, 5575)]