20174444980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{136813}}^1$

素因数の和:136996

約数の個数: 48

約数和(自身を含む): 43372227024

約数和(自身を除く): 23197782044

約数列:

[1, 2, 4, 5, 10, 20, 73, 101, 146, 202, 292, 365, 404, 505, 730, 1010, 1460, 2020, 7373, 14746, 29492, 36865, 73730, 136813, 147460, 273626, 547252, 684065, 1368130, 2736260, 9987349, 13818113, 19974698, 27636226, 39949396, 49936745, 55272452, 69090565, 99873490, 138181130, 199746980, 276362260, 1008722249, 2017444498, 4034888996, 5043611245, 10087222490, 20174444980]

約数ペア:

[(1, 20174444980), (2, 10087222490), (4, 5043611245), (5, 4034888996), (10, 2017444498), (20, 1008722249), (73, 276362260), (101, 199746980), (146, 138181130), (202, 99873490), (292, 69090565), (365, 55272452), (404, 49936745), (505, 39949396), (730, 27636226), (1010, 19974698), (1460, 13818113), (2020, 9987349), (7373, 2736260), (14746, 1368130), (29492, 684065), (36865, 547252), (73730, 273626), (136813, 147460)]