20527430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 47029248

約数和(自身を除く): 26501818

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 53, 55, 70, 77, 106, 110, 154, 265, 371, 385, 503, 530, 583, 742, 770, 1006, 1166, 1855, 2515, 2915, 3521, 3710, 4081, 5030, 5533, 5830, 7042, 8162, 11066, 17605, 20405, 26659, 27665, 35210, 38731, 40810, 53318, 55330, 77462, 133295, 186613, 193655, 266590, 293249, 373226, 387310, 586498, 933065, 1466245, 1866130, 2052743, 2932490, 4105486, 10263715, 20527430]

約数ペア:

[(1, 20527430), (2, 10263715), (5, 4105486), (7, 2932490), (10, 2052743), (11, 1866130), (14, 1466245), (22, 933065), (35, 586498), (53, 387310), (55, 373226), (70, 293249), (77, 266590), (106, 193655), (110, 186613), (154, 133295), (265, 77462), (371, 55330), (385, 53318), (503, 40810), (530, 38731), (583, 35210), (742, 27665), (770, 26659), (1006, 20405), (1166, 17605), (1855, 11066), (2515, 8162), (2915, 7042), (3521, 5830), (3710, 5533), (4081, 5030)]