20849460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18289}}^1$

素因数の和:18320

約数の個数: 48

約数和(自身を含む): 61454400

約数和(自身を除く): 40604940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18289, 36578, 54867, 73156, 91445, 109734, 182890, 219468, 274335, 347491, 365780, 548670, 694982, 1042473, 1097340, 1389964, 1737455, 2084946, 3474910, 4169892, 5212365, 6949820, 10424730, 20849460]

約数ペア:

[(1, 20849460), (2, 10424730), (3, 6949820), (4, 5212365), (5, 4169892), (6, 3474910), (10, 2084946), (12, 1737455), (15, 1389964), (19, 1097340), (20, 1042473), (30, 694982), (38, 548670), (57, 365780), (60, 347491), (76, 274335), (95, 219468), (114, 182890), (190, 109734), (228, 91445), (285, 73156), (380, 54867), (570, 36578), (1140, 18289)]