20195758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 34149600

約数和(自身を除く): 13953842

約数列:

[1, 2, 11, 22, 61, 101, 122, 149, 202, 298, 671, 1111, 1342, 1639, 2222, 3278, 6161, 9089, 12322, 15049, 18178, 30098, 67771, 99979, 135542, 165539, 199958, 331078, 917989, 1835978, 10097879, 20195758]

約数ペア:

[(1, 20195758), (2, 10097879), (11, 1835978), (22, 917989), (61, 331078), (101, 199958), (122, 165539), (149, 135542), (202, 99979), (298, 67771), (671, 30098), (1111, 18178), (1342, 15049), (1639, 12322), (2222, 9089), (3278, 6161)]