20126790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1481}}^1$

素因数の和:1645

約数の個数: 48

約数和(自身を含む): 52711776

約数和(自身を除く): 32584986

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 151, 302, 453, 755, 906, 1359, 1481, 1510, 2265, 2718, 2962, 4443, 4530, 6795, 7405, 8886, 13329, 13590, 14810, 22215, 26658, 44430, 66645, 133290, 223631, 447262, 670893, 1118155, 1341786, 2012679, 2236310, 3354465, 4025358, 6708930, 10063395, 20126790]

約数ペア:

[(1, 20126790), (2, 10063395), (3, 6708930), (5, 4025358), (6, 3354465), (9, 2236310), (10, 2012679), (15, 1341786), (18, 1118155), (30, 670893), (45, 447262), (90, 223631), (151, 133290), (302, 66645), (453, 44430), (755, 26658), (906, 22215), (1359, 14810), (1481, 13590), (1510, 13329), (2265, 8886), (2718, 7405), (2962, 6795), (4443, 4530)]