20330646

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 49728000

約数和(自身を除く): 29397354

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 73, 114, 133, 146, 219, 266, 349, 399, 438, 511, 698, 798, 1022, 1047, 1387, 1533, 2094, 2443, 2774, 3066, 4161, 4886, 6631, 7329, 8322, 9709, 13262, 14658, 19418, 19893, 25477, 29127, 39786, 46417, 50954, 58254, 76431, 92834, 139251, 152862, 178339, 278502, 356678, 484063, 535017, 968126, 1070034, 1452189, 2904378, 3388441, 6776882, 10165323, 20330646]

約数ペア:

[(1, 20330646), (2, 10165323), (3, 6776882), (6, 3388441), (7, 2904378), (14, 1452189), (19, 1070034), (21, 968126), (38, 535017), (42, 484063), (57, 356678), (73, 278502), (114, 178339), (133, 152862), (146, 139251), (219, 92834), (266, 76431), (349, 58254), (399, 50954), (438, 46417), (511, 39786), (698, 29127), (798, 25477), (1022, 19893), (1047, 19418), (1387, 14658), (1533, 13262), (2094, 9709), (2443, 8322), (2774, 7329), (3066, 6631), (4161, 4886)]