20319512

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3613}}^1$

素因数の和:3675

約数の個数: 32

約数和(自身を含む): 41199600

約数和(自身を除く): 20880088

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3613, 5624, 7226, 14452, 28904, 68647, 133681, 137294, 267362, 274588, 534724, 549176, 1069448, 2539939, 5079878, 10159756, 20319512]

約数ペア:

[(1, 20319512), (2, 10159756), (4, 5079878), (8, 2539939), (19, 1069448), (37, 549176), (38, 534724), (74, 274588), (76, 267362), (148, 137294), (152, 133681), (296, 68647), (703, 28904), (1406, 14452), (2812, 7226), (3613, 5624)]