24720020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3067}}^1$

素因数の和:3120

約数の個数: 48

約数和(自身を含む): 57727488

約数和(自身を除く): 33007468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 3067, 4030, 6134, 8060, 12268, 15335, 30670, 39871, 61340, 79742, 95077, 159484, 190154, 199355, 380308, 398710, 475385, 797420, 950770, 1236001, 1901540, 2472002, 4944004, 6180005, 12360010, 24720020]

約数ペア:

[(1, 24720020), (2, 12360010), (4, 6180005), (5, 4944004), (10, 2472002), (13, 1901540), (20, 1236001), (26, 950770), (31, 797420), (52, 475385), (62, 398710), (65, 380308), (124, 199355), (130, 190154), (155, 159484), (260, 95077), (310, 79742), (403, 61340), (620, 39871), (806, 30670), (1612, 15335), (2015, 12268), (3067, 8060), (4030, 6134)]