20432664

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 64247040

約数和(自身を除く): 43814376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 71, 72, 84, 126, 142, 168, 213, 252, 284, 426, 497, 504, 568, 571, 639, 852, 994, 1142, 1278, 1491, 1704, 1713, 1988, 2284, 2556, 2982, 3426, 3976, 3997, 4473, 4568, 5112, 5139, 5964, 6852, 7994, 8946, 10278, 11928, 11991, 13704, 15988, 17892, 20556, 23982, 31976, 35784, 35973, 40541, 41112, 47964, 71946, 81082, 95928, 121623, 143892, 162164, 243246, 283787, 287784, 324328, 364869, 486492, 567574, 729738, 851361, 972984, 1135148, 1459476, 1702722, 2270296, 2554083, 2918952, 3405444, 5108166, 6810888, 10216332, 20432664]

約数ペア:

[(1, 20432664), (2, 10216332), (3, 6810888), (4, 5108166), (6, 3405444), (7, 2918952), (8, 2554083), (9, 2270296), (12, 1702722), (14, 1459476), (18, 1135148), (21, 972984), (24, 851361), (28, 729738), (36, 567574), (42, 486492), (56, 364869), (63, 324328), (71, 287784), (72, 283787), (84, 243246), (126, 162164), (142, 143892), (168, 121623), (213, 95928), (252, 81082), (284, 71946), (426, 47964), (497, 41112), (504, 40541), (568, 35973), (571, 35784), (639, 31976), (852, 23982), (994, 20556), (1142, 17892), (1278, 15988), (1491, 13704), (1704, 11991), (1713, 11928), (1988, 10278), (2284, 8946), (2556, 7994), (2982, 6852), (3426, 5964), (3976, 5139), (3997, 5112), (4473, 4568)]