20468916

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 58329600

約数和(自身を除く): 37860684

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 61, 78, 108, 117, 122, 156, 183, 234, 239, 244, 351, 366, 468, 478, 549, 702, 717, 732, 793, 956, 1098, 1404, 1434, 1586, 1647, 2151, 2196, 2379, 2868, 3107, 3172, 3294, 4302, 4758, 6214, 6453, 6588, 7137, 8604, 9321, 9516, 12428, 12906, 14274, 14579, 18642, 21411, 25812, 27963, 28548, 29158, 37284, 42822, 43737, 55926, 58316, 83889, 85644, 87474, 111852, 131211, 167778, 174948, 189527, 262422, 335556, 379054, 393633, 524844, 568581, 758108, 787266, 1137162, 1574532, 1705743, 2274324, 3411486, 5117229, 6822972, 10234458, 20468916]

約数ペア:

[(1, 20468916), (2, 10234458), (3, 6822972), (4, 5117229), (6, 3411486), (9, 2274324), (12, 1705743), (13, 1574532), (18, 1137162), (26, 787266), (27, 758108), (36, 568581), (39, 524844), (52, 393633), (54, 379054), (61, 335556), (78, 262422), (108, 189527), (117, 174948), (122, 167778), (156, 131211), (183, 111852), (234, 87474), (239, 85644), (244, 83889), (351, 58316), (366, 55926), (468, 43737), (478, 42822), (549, 37284), (702, 29158), (717, 28548), (732, 27963), (793, 25812), (956, 21411), (1098, 18642), (1404, 14579), (1434, 14274), (1586, 12906), (1647, 12428), (2151, 9516), (2196, 9321), (2379, 8604), (2868, 7137), (3107, 6588), (3172, 6453), (3294, 6214), (4302, 4758)]