20148760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16249}}^1$

素因数の和:16291

約数の個数: 32

約数和(自身を含む): 46800000

約数和(自身を除く): 26651240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 16249, 32498, 64996, 81245, 129992, 162490, 324980, 503719, 649960, 1007438, 2014876, 2518595, 4029752, 5037190, 10074380, 20148760]

約数ペア:

[(1, 20148760), (2, 10074380), (4, 5037190), (5, 4029752), (8, 2518595), (10, 2014876), (20, 1007438), (31, 649960), (40, 503719), (62, 324980), (124, 162490), (155, 129992), (248, 81245), (310, 64996), (620, 32498), (1240, 16249)]