20292675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1601}}^1$

素因数の和:1640

約数の個数: 36

約数和(自身を含む): 36352584

約数和(自身を除く): 16059909

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 325, 507, 845, 975, 1601, 2535, 4225, 4803, 8005, 12675, 20813, 24015, 40025, 62439, 104065, 120075, 270569, 312195, 520325, 811707, 1352845, 1560975, 4058535, 6764225, 20292675]

約数ペア:

[(1, 20292675), (3, 6764225), (5, 4058535), (13, 1560975), (15, 1352845), (25, 811707), (39, 520325), (65, 312195), (75, 270569), (169, 120075), (195, 104065), (325, 62439), (507, 40025), (845, 24015), (975, 20813), (1601, 12675), (2535, 8005), (4225, 4803)]