20153790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3671}}^1$

素因数の和:3745

約数の個数: 48

約数和(自身を含む): 53273376

約数和(自身を除く): 33119586

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 3671, 5490, 7342, 11013, 18355, 22026, 33039, 36710, 55065, 66078, 110130, 165195, 223931, 330390, 447862, 671793, 1119655, 1343586, 2015379, 2239310, 3358965, 4030758, 6717930, 10076895, 20153790]

約数ペア:

[(1, 20153790), (2, 10076895), (3, 6717930), (5, 4030758), (6, 3358965), (9, 2239310), (10, 2015379), (15, 1343586), (18, 1119655), (30, 671793), (45, 447862), (61, 330390), (90, 223931), (122, 165195), (183, 110130), (305, 66078), (366, 55065), (549, 36710), (610, 33039), (915, 22026), (1098, 18355), (1830, 11013), (2745, 7342), (3671, 5490)]