20171340832

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{181}}^2\times {\mathrm{271}}^1$

素因数の和:714

約数の個数: 72

約数和(自身を含む): 40644809856

約数和(自身を除く): 20473469024

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 181, 271, 284, 362, 542, 568, 724, 1084, 1136, 1448, 2168, 2272, 2896, 4336, 5792, 8672, 12851, 19241, 25702, 32761, 38482, 49051, 51404, 65522, 76964, 98102, 102808, 131044, 153928, 196204, 205616, 262088, 307856, 392408, 411232, 524176, 615712, 784816, 1048352, 1569632, 2326031, 3482621, 4652062, 6965242, 8878231, 9304124, 13930484, 17756462, 18608248, 27860968, 35512924, 37216496, 55721936, 71025848, 74432992, 111443872, 142051696, 284103392, 630354401, 1260708802, 2521417604, 5042835208, 10085670416, 20171340832]

約数ペア:

[(1, 20171340832), (2, 10085670416), (4, 5042835208), (8, 2521417604), (16, 1260708802), (32, 630354401), (71, 284103392), (142, 142051696), (181, 111443872), (271, 74432992), (284, 71025848), (362, 55721936), (542, 37216496), (568, 35512924), (724, 27860968), (1084, 18608248), (1136, 17756462), (1448, 13930484), (2168, 9304124), (2272, 8878231), (2896, 6965242), (4336, 4652062), (5792, 3482621), (8672, 2326031), (12851, 1569632), (19241, 1048352), (25702, 784816), (32761, 615712), (38482, 524176), (49051, 411232), (51404, 392408), (65522, 307856), (76964, 262088), (98102, 205616), (102808, 196204), (131044, 153928)]