20773428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 55413120

約数和(自身を除く): 34639692

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 59, 61, 74, 78, 111, 118, 122, 148, 156, 177, 183, 222, 236, 244, 354, 366, 444, 481, 708, 732, 767, 793, 962, 1443, 1534, 1586, 1924, 2183, 2257, 2301, 2379, 2886, 3068, 3172, 3599, 4366, 4514, 4602, 4758, 5772, 6549, 6771, 7198, 8732, 9028, 9204, 9516, 10797, 13098, 13542, 14396, 21594, 26196, 27084, 28379, 29341, 43188, 46787, 56758, 58682, 85137, 88023, 93574, 113516, 117364, 133163, 140361, 170274, 176046, 187148, 266326, 280722, 340548, 352092, 399489, 532652, 561444, 798978, 1597956, 1731119, 3462238, 5193357, 6924476, 10386714, 20773428]

約数ペア:

[(1, 20773428), (2, 10386714), (3, 6924476), (4, 5193357), (6, 3462238), (12, 1731119), (13, 1597956), (26, 798978), (37, 561444), (39, 532652), (52, 399489), (59, 352092), (61, 340548), (74, 280722), (78, 266326), (111, 187148), (118, 176046), (122, 170274), (148, 140361), (156, 133163), (177, 117364), (183, 113516), (222, 93574), (236, 88023), (244, 85137), (354, 58682), (366, 56758), (444, 46787), (481, 43188), (708, 29341), (732, 28379), (767, 27084), (793, 26196), (962, 21594), (1443, 14396), (1534, 13542), (1586, 13098), (1924, 10797), (2183, 9516), (2257, 9204), (2301, 9028), (2379, 8732), (2886, 7198), (3068, 6771), (3172, 6549), (3599, 5772), (4366, 4758), (4514, 4602)]