20214618925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{25793}}^1$

素因数の和:25902

約数の個数: 48

約数和(自身を含む): 27634659840

約数和(自身を除く): 7420040915

約数列:

[1, 5, 23, 25, 29, 47, 115, 145, 235, 575, 667, 725, 1081, 1175, 1363, 3335, 5405, 6815, 16675, 25793, 27025, 31349, 34075, 128965, 156745, 593239, 644825, 747997, 783725, 1212271, 2966195, 3739985, 6061355, 14830975, 17203931, 18699925, 27882233, 30306775, 35155859, 86019655, 139411165, 175779295, 430098275, 697055825, 808584757, 878896475, 4042923785, 20214618925]

約数ペア:

[(1, 20214618925), (5, 4042923785), (23, 878896475), (25, 808584757), (29, 697055825), (47, 430098275), (115, 175779295), (145, 139411165), (235, 86019655), (575, 35155859), (667, 30306775), (725, 27882233), (1081, 18699925), (1175, 17203931), (1363, 14830975), (3335, 6061355), (5405, 3739985), (6815, 2966195), (16675, 1212271), (25793, 783725), (27025, 747997), (31349, 644825), (34075, 593239), (128965, 156745)]