20429916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{757}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 51701664

約数和(自身を除く): 31271748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 173, 346, 519, 692, 757, 1038, 1514, 2076, 2249, 2271, 3028, 4498, 4542, 6747, 8996, 9084, 9841, 13494, 19682, 26988, 29523, 39364, 59046, 118092, 130961, 261922, 392883, 523844, 785766, 1571532, 1702493, 3404986, 5107479, 6809972, 10214958, 20429916]

約数ペア:

[(1, 20429916), (2, 10214958), (3, 6809972), (4, 5107479), (6, 3404986), (12, 1702493), (13, 1571532), (26, 785766), (39, 523844), (52, 392883), (78, 261922), (156, 130961), (173, 118092), (346, 59046), (519, 39364), (692, 29523), (757, 26988), (1038, 19682), (1514, 13494), (2076, 9841), (2249, 9084), (2271, 8996), (3028, 6747), (4498, 4542)]