20123621874

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{30223}}^1$

素因数の和:30823

約数の個数: 48

約数和(自身を含む): 44301613824

約数和(自身を除く): 24177991950

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 521, 639, 1042, 1278, 1563, 3126, 4689, 9378, 30223, 36991, 60446, 73982, 90669, 110973, 181338, 221946, 272007, 332919, 544014, 665838, 2145833, 4291666, 6437499, 12874998, 15746183, 19312497, 31492366, 38624994, 47238549, 94477098, 141715647, 283431294, 1117978993, 2235957986, 3353936979, 6707873958, 10061810937, 20123621874]

約数ペア:

[(1, 20123621874), (2, 10061810937), (3, 6707873958), (6, 3353936979), (9, 2235957986), (18, 1117978993), (71, 283431294), (142, 141715647), (213, 94477098), (426, 47238549), (521, 38624994), (639, 31492366), (1042, 19312497), (1278, 15746183), (1563, 12874998), (3126, 6437499), (4689, 4291666), (9378, 2145833), (30223, 665838), (36991, 544014), (60446, 332919), (73982, 272007), (90669, 221946), (110973, 181338)]