20761110

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 120

約数和(自身を含む): 59746896

約数和(自身を除く): 38985786

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 71, 81, 90, 95, 114, 135, 142, 162, 171, 190, 213, 270, 285, 342, 355, 361, 405, 426, 513, 570, 639, 710, 722, 810, 855, 1026, 1065, 1083, 1278, 1349, 1539, 1710, 1805, 1917, 2130, 2166, 2565, 2698, 3078, 3195, 3249, 3610, 3834, 4047, 5130, 5415, 5751, 6390, 6498, 6745, 7695, 8094, 9585, 9747, 10830, 11502, 12141, 13490, 15390, 16245, 19170, 19494, 20235, 24282, 25631, 28755, 29241, 32490, 36423, 40470, 48735, 51262, 57510, 58482, 60705, 72846, 76893, 97470, 109269, 121410, 128155, 146205, 153786, 182115, 218538, 230679, 256310, 292410, 364230, 384465, 461358, 546345, 692037, 768930, 1092690, 1153395, 1384074, 2076111, 2306790, 3460185, 4152222, 6920370, 10380555, 20761110]

約数ペア:

[(1, 20761110), (2, 10380555), (3, 6920370), (5, 4152222), (6, 3460185), (9, 2306790), (10, 2076111), (15, 1384074), (18, 1153395), (19, 1092690), (27, 768930), (30, 692037), (38, 546345), (45, 461358), (54, 384465), (57, 364230), (71, 292410), (81, 256310), (90, 230679), (95, 218538), (114, 182115), (135, 153786), (142, 146205), (162, 128155), (171, 121410), (190, 109269), (213, 97470), (270, 76893), (285, 72846), (342, 60705), (355, 58482), (361, 57510), (405, 51262), (426, 48735), (513, 40470), (570, 36423), (639, 32490), (710, 29241), (722, 28755), (810, 25631), (855, 24282), (1026, 20235), (1065, 19494), (1083, 19170), (1278, 16245), (1349, 15390), (1539, 13490), (1710, 12141), (1805, 11502), (1917, 10830), (2130, 9747), (2166, 9585), (2565, 8094), (2698, 7695), (3078, 6745), (3195, 6498), (3249, 6390), (3610, 5751), (3834, 5415), (4047, 5130)]