20440392

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{421}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 62185920

約数和(自身を除く): 41745528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 289, 357, 408, 421, 476, 578, 714, 842, 867, 952, 1156, 1263, 1428, 1684, 1734, 2023, 2312, 2526, 2856, 2947, 3368, 3468, 4046, 5052, 5894, 6069, 6936, 7157, 8092, 8841, 10104, 11788, 12138, 14314, 16184, 17682, 21471, 23576, 24276, 28628, 35364, 42942, 48552, 50099, 57256, 70728, 85884, 100198, 121669, 150297, 171768, 200396, 243338, 300594, 365007, 400792, 486676, 601188, 730014, 851683, 973352, 1202376, 1460028, 1703366, 2555049, 2920056, 3406732, 5110098, 6813464, 10220196, 20440392]

約数ペア:

[(1, 20440392), (2, 10220196), (3, 6813464), (4, 5110098), (6, 3406732), (7, 2920056), (8, 2555049), (12, 1703366), (14, 1460028), (17, 1202376), (21, 973352), (24, 851683), (28, 730014), (34, 601188), (42, 486676), (51, 400792), (56, 365007), (68, 300594), (84, 243338), (102, 200396), (119, 171768), (136, 150297), (168, 121669), (204, 100198), (238, 85884), (289, 70728), (357, 57256), (408, 50099), (421, 48552), (476, 42942), (578, 35364), (714, 28628), (842, 24276), (867, 23576), (952, 21471), (1156, 17682), (1263, 16184), (1428, 14314), (1684, 12138), (1734, 11788), (2023, 10104), (2312, 8841), (2526, 8092), (2856, 7157), (2947, 6936), (3368, 6069), (3468, 5894), (4046, 5052)]