20305044

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 54250560

約数和(自身を除く): 33945516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 137, 138, 179, 207, 274, 276, 358, 411, 414, 537, 548, 716, 822, 828, 1074, 1233, 1611, 1644, 2148, 2466, 3151, 3222, 4117, 4932, 6302, 6444, 8234, 9453, 12351, 12604, 16468, 18906, 24523, 24702, 28359, 37053, 37812, 49046, 49404, 56718, 73569, 74106, 98092, 113436, 147138, 148212, 220707, 294276, 441414, 564029, 882828, 1128058, 1692087, 2256116, 3384174, 5076261, 6768348, 10152522, 20305044]

約数ペア:

[(1, 20305044), (2, 10152522), (3, 6768348), (4, 5076261), (6, 3384174), (9, 2256116), (12, 1692087), (18, 1128058), (23, 882828), (36, 564029), (46, 441414), (69, 294276), (92, 220707), (137, 148212), (138, 147138), (179, 113436), (207, 98092), (274, 74106), (276, 73569), (358, 56718), (411, 49404), (414, 49046), (537, 37812), (548, 37053), (716, 28359), (822, 24702), (828, 24523), (1074, 18906), (1233, 16468), (1611, 12604), (1644, 12351), (2148, 9453), (2466, 8234), (3151, 6444), (3222, 6302), (4117, 4932)]