20628270

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:688

約数の個数: 96

約数和(自身を含む): 59990112

約数和(自身を除く): 39361842

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 243, 270, 351, 390, 405, 486, 585, 653, 702, 810, 1053, 1170, 1215, 1306, 1755, 1959, 2106, 2430, 3159, 3265, 3510, 3918, 5265, 5877, 6318, 6530, 8489, 9795, 10530, 11754, 15795, 16978, 17631, 19590, 25467, 29385, 31590, 35262, 42445, 50934, 52893, 58770, 76401, 84890, 88155, 105786, 127335, 152802, 158679, 176310, 229203, 254670, 264465, 317358, 382005, 458406, 528930, 687609, 764010, 793395, 1146015, 1375218, 1586790, 2062827, 2292030, 3438045, 4125654, 6876090, 10314135, 20628270]

約数ペア:

[(1, 20628270), (2, 10314135), (3, 6876090), (5, 4125654), (6, 3438045), (9, 2292030), (10, 2062827), (13, 1586790), (15, 1375218), (18, 1146015), (26, 793395), (27, 764010), (30, 687609), (39, 528930), (45, 458406), (54, 382005), (65, 317358), (78, 264465), (81, 254670), (90, 229203), (117, 176310), (130, 158679), (135, 152802), (162, 127335), (195, 105786), (234, 88155), (243, 84890), (270, 76401), (351, 58770), (390, 52893), (405, 50934), (486, 42445), (585, 35262), (653, 31590), (702, 29385), (810, 25467), (1053, 19590), (1170, 17631), (1215, 16978), (1306, 15795), (1755, 11754), (1959, 10530), (2106, 9795), (2430, 8489), (3159, 6530), (3265, 6318), (3510, 5877), (3918, 5265)]