20199142700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{346469}}^1$

素因数の和:346547

約数の個数: 72

約数和(自身を含む): 48719225520

約数和(自身を除く): 28520082820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 53, 55, 100, 106, 110, 212, 220, 265, 275, 530, 550, 583, 1060, 1100, 1166, 1325, 2332, 2650, 2915, 5300, 5830, 11660, 14575, 29150, 58300, 346469, 692938, 1385876, 1732345, 3464690, 3811159, 6929380, 7622318, 8661725, 15244636, 17323450, 18362857, 19055795, 34646900, 36725714, 38111590, 73451428, 76223180, 91814285, 95278975, 183628570, 190557950, 201991427, 367257140, 381115900, 403982854, 459071425, 807965708, 918142850, 1009957135, 1836285700, 2019914270, 4039828540, 5049785675, 10099571350, 20199142700]

約数ペア:

[(1, 20199142700), (2, 10099571350), (4, 5049785675), (5, 4039828540), (10, 2019914270), (11, 1836285700), (20, 1009957135), (22, 918142850), (25, 807965708), (44, 459071425), (50, 403982854), (53, 381115900), (55, 367257140), (100, 201991427), (106, 190557950), (110, 183628570), (212, 95278975), (220, 91814285), (265, 76223180), (275, 73451428), (530, 38111590), (550, 36725714), (583, 34646900), (1060, 19055795), (1100, 18362857), (1166, 17323450), (1325, 15244636), (2332, 8661725), (2650, 7622318), (2915, 6929380), (5300, 3811159), (5830, 3464690), (11660, 1732345), (14575, 1385876), (29150, 692938), (58300, 346469)]