20657532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7933}}^1$

素因数の和:7978

約数の個数: 48

約数和(自身を含む): 56870912

約数和(自身を除く): 36213380

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 7933, 15866, 23799, 31732, 47598, 55531, 95196, 111062, 166593, 222124, 245923, 333186, 491846, 666372, 737769, 983692, 1475538, 1721461, 2951076, 3442922, 5164383, 6885844, 10328766, 20657532]

約数ペア:

[(1, 20657532), (2, 10328766), (3, 6885844), (4, 5164383), (6, 3442922), (7, 2951076), (12, 1721461), (14, 1475538), (21, 983692), (28, 737769), (31, 666372), (42, 491846), (62, 333186), (84, 245923), (93, 222124), (124, 166593), (186, 111062), (217, 95196), (372, 55531), (434, 47598), (651, 31732), (868, 23799), (1302, 15866), (2604, 7933)]