20302308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 108

約数和(自身を含む): 57552768

約数和(自身を除く): 37250460

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 71, 78, 94, 117, 141, 142, 156, 169, 188, 213, 234, 282, 284, 338, 423, 426, 468, 507, 564, 611, 639, 676, 846, 852, 923, 1014, 1222, 1278, 1521, 1692, 1833, 1846, 2028, 2444, 2556, 2769, 3042, 3337, 3666, 3692, 5499, 5538, 6084, 6674, 7332, 7943, 8307, 10011, 10998, 11076, 11999, 13348, 15886, 16614, 20022, 21996, 23829, 23998, 30033, 31772, 33228, 35997, 40044, 43381, 47658, 47996, 60066, 71487, 71994, 86762, 95316, 107991, 120132, 130143, 142974, 143988, 173524, 215982, 260286, 285948, 390429, 431964, 520572, 563953, 780858, 1127906, 1561716, 1691859, 2255812, 3383718, 5075577, 6767436, 10151154, 20302308]

約数ペア:

[(1, 20302308), (2, 10151154), (3, 6767436), (4, 5075577), (6, 3383718), (9, 2255812), (12, 1691859), (13, 1561716), (18, 1127906), (26, 780858), (36, 563953), (39, 520572), (47, 431964), (52, 390429), (71, 285948), (78, 260286), (94, 215982), (117, 173524), (141, 143988), (142, 142974), (156, 130143), (169, 120132), (188, 107991), (213, 95316), (234, 86762), (282, 71994), (284, 71487), (338, 60066), (423, 47996), (426, 47658), (468, 43381), (507, 40044), (564, 35997), (611, 33228), (639, 31772), (676, 30033), (846, 23998), (852, 23829), (923, 21996), (1014, 20022), (1222, 16614), (1278, 15886), (1521, 13348), (1692, 11999), (1833, 11076), (1846, 10998), (2028, 10011), (2444, 8307), (2556, 7943), (2769, 7332), (3042, 6674), (3337, 6084), (3666, 5538), (3692, 5499)]