20524480

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2069}}^1$

素因数の和:2117

約数の個数: 56

約数和(自身を含む): 50474880

約数和(自身を除く): 29950400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2069, 2480, 4138, 4960, 8276, 9920, 10345, 16552, 20690, 33104, 41380, 64139, 66208, 82760, 128278, 132416, 165520, 256556, 320695, 331040, 513112, 641390, 662080, 1026224, 1282780, 2052448, 2565560, 4104896, 5131120, 10262240, 20524480]

約数ペア:

[(1, 20524480), (2, 10262240), (4, 5131120), (5, 4104896), (8, 2565560), (10, 2052448), (16, 1282780), (20, 1026224), (31, 662080), (32, 641390), (40, 513112), (62, 331040), (64, 320695), (80, 256556), (124, 165520), (155, 132416), (160, 128278), (248, 82760), (310, 66208), (320, 64139), (496, 41380), (620, 33104), (992, 20690), (1240, 16552), (1984, 10345), (2069, 9920), (2480, 8276), (4138, 4960)]