20145603828

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1105201}}^1$

素因数の和:1105253

約数の個数: 72

約数和(自身を含む): 56444876544

約数和(自身を除く): 36299272716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1302, 1519, 2604, 3038, 4557, 6076, 9114, 18228, 1105201, 2210402, 3315603, 4420804, 6631206, 7736407, 13262412, 15472814, 23209221, 30945628, 34261231, 46418442, 54154849, 68522462, 92836884, 102783693, 108309698, 137044924, 162464547, 205567386, 216619396, 239828617, 324929094, 411134772, 479657234, 649858188, 719485851, 959314468, 1438971702, 1678800319, 2877943404, 3357600638, 5036400957, 6715201276, 10072801914, 20145603828]

約数ペア:

[(1, 20145603828), (2, 10072801914), (3, 6715201276), (4, 5036400957), (6, 3357600638), (7, 2877943404), (12, 1678800319), (14, 1438971702), (21, 959314468), (28, 719485851), (31, 649858188), (42, 479657234), (49, 411134772), (62, 324929094), (84, 239828617), (93, 216619396), (98, 205567386), (124, 162464547), (147, 137044924), (186, 108309698), (196, 102783693), (217, 92836884), (294, 68522462), (372, 54154849), (434, 46418442), (588, 34261231), (651, 30945628), (868, 23209221), (1302, 15472814), (1519, 13262412), (2604, 7736407), (3038, 6631206), (4557, 4420804), (6076, 3315603), (9114, 2210402), (18228, 1105201)]