20014100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 46981368

約数和(自身を除く): 26967268

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 61, 68, 85, 100, 122, 170, 193, 244, 305, 340, 386, 425, 610, 772, 850, 965, 1037, 1220, 1525, 1700, 1930, 2074, 3050, 3281, 3860, 4148, 4825, 5185, 6100, 6562, 9650, 10370, 11773, 13124, 16405, 19300, 20740, 23546, 25925, 32810, 47092, 51850, 58865, 65620, 82025, 103700, 117730, 164050, 200141, 235460, 294325, 328100, 400282, 588650, 800564, 1000705, 1177300, 2001410, 4002820, 5003525, 10007050, 20014100]

約数ペア:

[(1, 20014100), (2, 10007050), (4, 5003525), (5, 4002820), (10, 2001410), (17, 1177300), (20, 1000705), (25, 800564), (34, 588650), (50, 400282), (61, 328100), (68, 294325), (85, 235460), (100, 200141), (122, 164050), (170, 117730), (193, 103700), (244, 82025), (305, 65620), (340, 58865), (386, 51850), (425, 47092), (610, 32810), (772, 25925), (850, 23546), (965, 20740), (1037, 19300), (1220, 16405), (1525, 13124), (1700, 11773), (1930, 10370), (2074, 9650), (3050, 6562), (3281, 6100), (3860, 5185), (4148, 4825)]