20218820992

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{22447}}^1$

素因数の和:22719

約数の個数: 64

約数和(自身を含む): 41764055040

約数和(自身を除く): 21545234048

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 227, 248, 454, 496, 908, 992, 1816, 1984, 3632, 3968, 7037, 7264, 14074, 14528, 22447, 28148, 29056, 44894, 56296, 89788, 112592, 179576, 225184, 359152, 450368, 695857, 718304, 900736, 1391714, 1436608, 2783428, 2873216, 5095469, 5566856, 10190938, 11133712, 20381876, 22267424, 40763752, 44534848, 81527504, 89069696, 157959539, 163055008, 315919078, 326110016, 631838156, 652220032, 1263676312, 2527352624, 5054705248, 10109410496, 20218820992]

約数ペア:

[(1, 20218820992), (2, 10109410496), (4, 5054705248), (8, 2527352624), (16, 1263676312), (31, 652220032), (32, 631838156), (62, 326110016), (64, 315919078), (124, 163055008), (128, 157959539), (227, 89069696), (248, 81527504), (454, 44534848), (496, 40763752), (908, 22267424), (992, 20381876), (1816, 11133712), (1984, 10190938), (3632, 5566856), (3968, 5095469), (7037, 2873216), (7264, 2783428), (14074, 1436608), (14528, 1391714), (22447, 900736), (28148, 718304), (29056, 695857), (44894, 450368), (56296, 359152), (89788, 225184), (112592, 179576)]