20977176

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 57657600

約数和(自身を除く): 36680424

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 181, 264, 362, 439, 543, 724, 878, 1086, 1317, 1448, 1756, 1991, 2172, 2634, 3512, 3982, 4344, 4829, 5268, 5973, 7964, 9658, 10536, 11946, 14487, 15928, 19316, 23892, 28974, 38632, 47784, 57948, 79459, 115896, 158918, 238377, 317836, 476754, 635672, 874049, 953508, 1748098, 1907016, 2622147, 3496196, 5244294, 6992392, 10488588, 20977176]

約数ペア:

[(1, 20977176), (2, 10488588), (3, 6992392), (4, 5244294), (6, 3496196), (8, 2622147), (11, 1907016), (12, 1748098), (22, 953508), (24, 874049), (33, 635672), (44, 476754), (66, 317836), (88, 238377), (132, 158918), (181, 115896), (264, 79459), (362, 57948), (439, 47784), (543, 38632), (724, 28974), (878, 23892), (1086, 19316), (1317, 15928), (1448, 14487), (1756, 11946), (1991, 10536), (2172, 9658), (2634, 7964), (3512, 5973), (3982, 5268), (4344, 4829)]