20127660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2819}}^1$

素因数の和:2855

約数の個数: 96

約数和(自身を含む): 68221440

約数和(自身を除く): 48093780

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, 2819, 3570, 5638, 7140, 8457, 11276, 14095, 16914, 19733, 28190, 33828, 39466, 42285, 47923, 56380, 59199, 78932, 84570, 95846, 98665, 118398, 143769, 169140, 191692, 197330, 236796, 239615, 287538, 295995, 335461, 394660, 479230, 575076, 591990, 670922, 718845, 958460, 1006383, 1183980, 1341844, 1437690, 1677305, 2012766, 2875380, 3354610, 4025532, 5031915, 6709220, 10063830, 20127660]

約数ペア:

[(1, 20127660), (2, 10063830), (3, 6709220), (4, 5031915), (5, 4025532), (6, 3354610), (7, 2875380), (10, 2012766), (12, 1677305), (14, 1437690), (15, 1341844), (17, 1183980), (20, 1006383), (21, 958460), (28, 718845), (30, 670922), (34, 591990), (35, 575076), (42, 479230), (51, 394660), (60, 335461), (68, 295995), (70, 287538), (84, 239615), (85, 236796), (102, 197330), (105, 191692), (119, 169140), (140, 143769), (170, 118398), (204, 98665), (210, 95846), (238, 84570), (255, 78932), (340, 59199), (357, 56380), (420, 47923), (476, 42285), (510, 39466), (595, 33828), (714, 28190), (1020, 19733), (1190, 16914), (1428, 14095), (1785, 11276), (2380, 8457), (2819, 7140), (3570, 5638)]