20167455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 42393600

約数和(自身を除く): 22226145

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 55, 57, 77, 95, 105, 133, 165, 209, 231, 285, 385, 399, 627, 665, 919, 1045, 1155, 1463, 1995, 2757, 3135, 4389, 4595, 6433, 7315, 10109, 13785, 17461, 19299, 21945, 30327, 32165, 50545, 52383, 70763, 87305, 96495, 122227, 151635, 192071, 212289, 261915, 353815, 366681, 576213, 611135, 960355, 1061445, 1344497, 1833405, 2881065, 4033491, 6722485, 20167455]

約数ペア:

[(1, 20167455), (3, 6722485), (5, 4033491), (7, 2881065), (11, 1833405), (15, 1344497), (19, 1061445), (21, 960355), (33, 611135), (35, 576213), (55, 366681), (57, 353815), (77, 261915), (95, 212289), (105, 192071), (133, 151635), (165, 122227), (209, 96495), (231, 87305), (285, 70763), (385, 52383), (399, 50545), (627, 32165), (665, 30327), (919, 21945), (1045, 19299), (1155, 17461), (1463, 13785), (1995, 10109), (2757, 7315), (3135, 6433), (4389, 4595)]