20309950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6659}}^1$

素因数の和:6732

約数の個数: 24

約数和(自身を含む): 38401560

約数和(自身を除く): 18091610

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 1525, 3050, 6659, 13318, 33295, 66590, 166475, 332950, 406199, 812398, 2030995, 4061990, 10154975, 20309950]

約数ペア:

[(1, 20309950), (2, 10154975), (5, 4061990), (10, 2030995), (25, 812398), (50, 406199), (61, 332950), (122, 166475), (305, 66590), (610, 33295), (1525, 13318), (3050, 6659)]