20123992890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{9829}}^1\times {\mathrm{7583}}^1$

素因数の和:17428

約数の個数: 64

約数和(自身を含む): 53676518400

約数和(自身を除く): 33552525510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 7583, 9829, 15166, 19658, 22749, 29487, 37915, 45498, 49145, 58974, 68247, 75830, 88461, 98290, 113745, 136494, 147435, 176922, 204741, 227490, 265383, 294870, 341235, 409482, 442305, 530766, 682470, 884610, 1023705, 1326915, 2047410, 2653830, 74533307, 149066614, 223599921, 372666535, 447199842, 670799763, 745333070, 1117999605, 1341599526, 2012399289, 2235999210, 3353998815, 4024798578, 6707997630, 10061996445, 20123992890]

約数ペア:

[(1, 20123992890), (2, 10061996445), (3, 6707997630), (5, 4024798578), (6, 3353998815), (9, 2235999210), (10, 2012399289), (15, 1341599526), (18, 1117999605), (27, 745333070), (30, 670799763), (45, 447199842), (54, 372666535), (90, 223599921), (135, 149066614), (270, 74533307), (7583, 2653830), (9829, 2047410), (15166, 1326915), (19658, 1023705), (22749, 884610), (29487, 682470), (37915, 530766), (45498, 442305), (49145, 409482), (58974, 341235), (68247, 294870), (75830, 265383), (88461, 227490), (98290, 204741), (113745, 176922), (136494, 147435)]