20045268

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 52907400

約数和(自身を除く): 32862132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 101, 111, 148, 149, 202, 222, 298, 303, 333, 404, 444, 447, 596, 606, 666, 894, 909, 1212, 1332, 1341, 1788, 1818, 2682, 3636, 3737, 5364, 5513, 7474, 11026, 11211, 14948, 15049, 16539, 22052, 22422, 30098, 33078, 33633, 44844, 45147, 49617, 60196, 66156, 67266, 90294, 99234, 134532, 135441, 180588, 198468, 270882, 541764, 556813, 1113626, 1670439, 2227252, 3340878, 5011317, 6681756, 10022634, 20045268]

約数ペア:

[(1, 20045268), (2, 10022634), (3, 6681756), (4, 5011317), (6, 3340878), (9, 2227252), (12, 1670439), (18, 1113626), (36, 556813), (37, 541764), (74, 270882), (101, 198468), (111, 180588), (148, 135441), (149, 134532), (202, 99234), (222, 90294), (298, 67266), (303, 66156), (333, 60196), (404, 49617), (444, 45147), (447, 44844), (596, 33633), (606, 33078), (666, 30098), (894, 22422), (909, 22052), (1212, 16539), (1332, 15049), (1341, 14948), (1788, 11211), (1818, 11026), (2682, 7474), (3636, 5513), (3737, 5364)]