20911032

素因数分解:

$2^3\times 3^2\times {\mathrm{359}}^1\times {\mathrm{809}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 56862000

約数和(自身を除く): 35950968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 359, 718, 809, 1077, 1436, 1618, 2154, 2427, 2872, 3231, 3236, 4308, 4854, 6462, 6472, 7281, 8616, 9708, 12924, 14562, 19416, 25848, 29124, 58248, 290431, 580862, 871293, 1161724, 1742586, 2323448, 2613879, 3485172, 5227758, 6970344, 10455516, 20911032]

約数ペア:

[(1, 20911032), (2, 10455516), (3, 6970344), (4, 5227758), (6, 3485172), (8, 2613879), (9, 2323448), (12, 1742586), (18, 1161724), (24, 871293), (36, 580862), (72, 290431), (359, 58248), (718, 29124), (809, 25848), (1077, 19416), (1436, 14562), (1618, 12924), (2154, 9708), (2427, 8616), (2872, 7281), (3231, 6472), (3236, 6462), (4308, 4854)]