20169903117

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1\times {\mathrm{2161}}^1$

素因数の和:2554

約数の個数: 64

約数和(自身を含む): 33473986560

約数和(自身を除く): 13304083443

約数列:

[1, 3, 7, 13, 21, 39, 91, 179, 191, 273, 537, 573, 1253, 1337, 2161, 2327, 2483, 3759, 4011, 6483, 6981, 7449, 15127, 16289, 17381, 28093, 34189, 45381, 48867, 52143, 84279, 102567, 196651, 239323, 386819, 412751, 444457, 589953, 717969, 1160457, 1238253, 1333371, 2707733, 2889257, 3111199, 5028647, 5365763, 8123199, 8667771, 9333597, 15085941, 16097289, 35200529, 37560341, 73882429, 105601587, 112681023, 221647287, 517177003, 960471577, 1551531009, 2881414731, 6723301039, 20169903117]

約数ペア:

[(1, 20169903117), (3, 6723301039), (7, 2881414731), (13, 1551531009), (21, 960471577), (39, 517177003), (91, 221647287), (179, 112681023), (191, 105601587), (273, 73882429), (537, 37560341), (573, 35200529), (1253, 16097289), (1337, 15085941), (2161, 9333597), (2327, 8667771), (2483, 8123199), (3759, 5365763), (4011, 5028647), (6483, 3111199), (6981, 2889257), (7449, 2707733), (15127, 1333371), (16289, 1238253), (17381, 1160457), (28093, 717969), (34189, 589953), (45381, 444457), (48867, 412751), (52143, 386819), (84279, 239323), (102567, 196651)]