20347992

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{859}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 64396800

約数和(自身を除く): 44048808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 47, 56, 63, 72, 84, 94, 126, 141, 168, 188, 252, 282, 329, 376, 423, 504, 564, 658, 846, 859, 987, 1128, 1316, 1692, 1718, 1974, 2577, 2632, 2961, 3384, 3436, 3948, 5154, 5922, 6013, 6872, 7731, 7896, 10308, 11844, 12026, 15462, 18039, 20616, 23688, 24052, 30924, 36078, 40373, 48104, 54117, 61848, 72156, 80746, 108234, 121119, 144312, 161492, 216468, 242238, 282611, 322984, 363357, 432936, 484476, 565222, 726714, 847833, 968952, 1130444, 1453428, 1695666, 2260888, 2543499, 2906856, 3391332, 5086998, 6782664, 10173996, 20347992]

約数ペア:

[(1, 20347992), (2, 10173996), (3, 6782664), (4, 5086998), (6, 3391332), (7, 2906856), (8, 2543499), (9, 2260888), (12, 1695666), (14, 1453428), (18, 1130444), (21, 968952), (24, 847833), (28, 726714), (36, 565222), (42, 484476), (47, 432936), (56, 363357), (63, 322984), (72, 282611), (84, 242238), (94, 216468), (126, 161492), (141, 144312), (168, 121119), (188, 108234), (252, 80746), (282, 72156), (329, 61848), (376, 54117), (423, 48104), (504, 40373), (564, 36078), (658, 30924), (846, 24052), (859, 23688), (987, 20616), (1128, 18039), (1316, 15462), (1692, 12026), (1718, 11844), (1974, 10308), (2577, 7896), (2632, 7731), (2961, 6872), (3384, 6013), (3436, 5922), (3948, 5154)]