20052045

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 37844352

約数和(自身を除く): 17792307

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 151, 195, 227, 453, 585, 681, 755, 1135, 1359, 1963, 2043, 2265, 2951, 3405, 5889, 6795, 8853, 9815, 10215, 14755, 17667, 26559, 29445, 34277, 44265, 88335, 102831, 132795, 171385, 308493, 445601, 514155, 1336803, 1542465, 2228005, 4010409, 6684015, 20052045]

約数ペア:

[(1, 20052045), (3, 6684015), (5, 4010409), (9, 2228005), (13, 1542465), (15, 1336803), (39, 514155), (45, 445601), (65, 308493), (117, 171385), (151, 132795), (195, 102831), (227, 88335), (453, 44265), (585, 34277), (681, 29445), (755, 26559), (1135, 17667), (1359, 14755), (1963, 10215), (2043, 9815), (2265, 8853), (2951, 6795), (3405, 5889)]