20960496

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 63448320

約数和(自身を除く): 42487824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 47, 48, 57, 72, 76, 94, 114, 141, 144, 152, 163, 171, 188, 228, 282, 304, 326, 342, 376, 423, 456, 489, 564, 652, 684, 752, 846, 893, 912, 978, 1128, 1304, 1368, 1467, 1692, 1786, 1956, 2256, 2608, 2679, 2736, 2934, 3097, 3384, 3572, 3912, 5358, 5868, 6194, 6768, 7144, 7661, 7824, 8037, 9291, 10716, 11736, 12388, 14288, 15322, 16074, 18582, 21432, 22983, 23472, 24776, 27873, 30644, 32148, 37164, 42864, 45966, 49552, 55746, 61288, 64296, 68949, 74328, 91932, 111492, 122576, 128592, 137898, 145559, 148656, 183864, 222984, 275796, 291118, 367728, 436677, 445968, 551592, 582236, 873354, 1103184, 1164472, 1310031, 1746708, 2328944, 2620062, 3493416, 5240124, 6986832, 10480248, 20960496]

約数ペア:

[(1, 20960496), (2, 10480248), (3, 6986832), (4, 5240124), (6, 3493416), (8, 2620062), (9, 2328944), (12, 1746708), (16, 1310031), (18, 1164472), (19, 1103184), (24, 873354), (36, 582236), (38, 551592), (47, 445968), (48, 436677), (57, 367728), (72, 291118), (76, 275796), (94, 222984), (114, 183864), (141, 148656), (144, 145559), (152, 137898), (163, 128592), (171, 122576), (188, 111492), (228, 91932), (282, 74328), (304, 68949), (326, 64296), (342, 61288), (376, 55746), (423, 49552), (456, 45966), (489, 42864), (564, 37164), (652, 32148), (684, 30644), (752, 27873), (846, 24776), (893, 23472), (912, 22983), (978, 21432), (1128, 18582), (1304, 16074), (1368, 15322), (1467, 14288), (1692, 12388), (1786, 11736), (1956, 10716), (2256, 9291), (2608, 8037), (2679, 7824), (2736, 7661), (2934, 7144), (3097, 6768), (3384, 6194), (3572, 5868), (3912, 5358)]