20512097558

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{359}}^1\times {\mathrm{367}}^1$

素因数の和:1005

約数の個数: 64

約数和(自身を含む): 34624972800

約数和(自身を除く): 14112875242

約数列:

[1, 2, 17, 19, 34, 38, 241, 323, 359, 367, 482, 646, 718, 734, 4097, 4579, 6103, 6239, 6821, 6973, 8194, 9158, 12206, 12478, 13642, 13946, 77843, 86519, 88447, 115957, 118541, 131753, 155686, 173038, 176894, 231914, 237082, 263506, 1470823, 1503599, 1643861, 1680493, 2239801, 2503307, 2941646, 3007198, 3287722, 3360986, 4479602, 5006614, 27945637, 28568381, 31752473, 42556219, 55891274, 57136762, 63504946, 85112438, 539792041, 603296987, 1079584082, 1206593974, 10256048779, 20512097558]

約数ペア:

[(1, 20512097558), (2, 10256048779), (17, 1206593974), (19, 1079584082), (34, 603296987), (38, 539792041), (241, 85112438), (323, 63504946), (359, 57136762), (367, 55891274), (482, 42556219), (646, 31752473), (718, 28568381), (734, 27945637), (4097, 5006614), (4579, 4479602), (6103, 3360986), (6239, 3287722), (6821, 3007198), (6973, 2941646), (8194, 2503307), (9158, 2239801), (12206, 1680493), (12478, 1643861), (13642, 1503599), (13946, 1470823), (77843, 263506), (86519, 237082), (88447, 231914), (115957, 176894), (118541, 173038), (131753, 155686)]