20613180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2887}}^1$

素因数の和:2923

約数の個数: 96

約数和(自身を含む): 69866496

約数和(自身を除く): 49253316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 2887, 3570, 5774, 7140, 8661, 11548, 14435, 17322, 20209, 28870, 34644, 40418, 43305, 49079, 57740, 60627, 80836, 86610, 98158, 101045, 121254, 147237, 173220, 196316, 202090, 242508, 245395, 294474, 303135, 343553, 404180, 490790, 588948, 606270, 687106, 736185, 981580, 1030659, 1212540, 1374212, 1472370, 1717765, 2061318, 2944740, 3435530, 4122636, 5153295, 6871060, 10306590, 20613180]

約数ペア:

[(1, 20613180), (2, 10306590), (3, 6871060), (4, 5153295), (5, 4122636), (6, 3435530), (7, 2944740), (10, 2061318), (12, 1717765), (14, 1472370), (15, 1374212), (17, 1212540), (20, 1030659), (21, 981580), (28, 736185), (30, 687106), (34, 606270), (35, 588948), (42, 490790), (51, 404180), (60, 343553), (68, 303135), (70, 294474), (84, 245395), (85, 242508), (102, 202090), (105, 196316), (119, 173220), (140, 147237), (170, 121254), (204, 101045), (210, 98158), (238, 86610), (255, 80836), (340, 60627), (357, 57740), (420, 49079), (476, 43305), (510, 40418), (595, 34644), (714, 28870), (1020, 20209), (1190, 17322), (1428, 14435), (1785, 11548), (2380, 8661), (2887, 7140), (3570, 5774)]