20992770

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 58024512

約数和(自身を除く): 37031742

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 81, 90, 106, 135, 159, 162, 163, 243, 265, 270, 318, 326, 405, 477, 486, 489, 530, 795, 810, 815, 954, 978, 1215, 1431, 1467, 1590, 1630, 2385, 2430, 2445, 2862, 2934, 4293, 4401, 4770, 4890, 7155, 7335, 8586, 8639, 8802, 12879, 13203, 14310, 14670, 17278, 21465, 22005, 25758, 25917, 26406, 39609, 42930, 43195, 44010, 51834, 64395, 66015, 77751, 79218, 86390, 128790, 129585, 132030, 155502, 198045, 233253, 259170, 388755, 396090, 466506, 699759, 777510, 1166265, 1399518, 2099277, 2332530, 3498795, 4198554, 6997590, 10496385, 20992770]

約数ペア:

[(1, 20992770), (2, 10496385), (3, 6997590), (5, 4198554), (6, 3498795), (9, 2332530), (10, 2099277), (15, 1399518), (18, 1166265), (27, 777510), (30, 699759), (45, 466506), (53, 396090), (54, 388755), (81, 259170), (90, 233253), (106, 198045), (135, 155502), (159, 132030), (162, 129585), (163, 128790), (243, 86390), (265, 79218), (270, 77751), (318, 66015), (326, 64395), (405, 51834), (477, 44010), (486, 43195), (489, 42930), (530, 39609), (795, 26406), (810, 25917), (815, 25758), (954, 22005), (978, 21465), (1215, 17278), (1431, 14670), (1467, 14310), (1590, 13203), (1630, 12879), (2385, 8802), (2430, 8639), (2445, 8586), (2862, 7335), (2934, 7155), (4293, 4890), (4401, 4770)]