20883660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2617}}^1$

素因数の和:2655

約数の個数: 96

約数和(自身を含む): 70371840

約数和(自身を除く): 49488180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2617, 2660, 3990, 5234, 7851, 7980, 10468, 13085, 15702, 18319, 26170, 31404, 36638, 39255, 49723, 52340, 54957, 73276, 78510, 91595, 99446, 109914, 149169, 157020, 183190, 198892, 219828, 248615, 274785, 298338, 348061, 366380, 497230, 549570, 596676, 696122, 745845, 994460, 1044183, 1099140, 1392244, 1491690, 1740305, 2088366, 2983380, 3480610, 4176732, 5220915, 6961220, 10441830, 20883660]

約数ペア:

[(1, 20883660), (2, 10441830), (3, 6961220), (4, 5220915), (5, 4176732), (6, 3480610), (7, 2983380), (10, 2088366), (12, 1740305), (14, 1491690), (15, 1392244), (19, 1099140), (20, 1044183), (21, 994460), (28, 745845), (30, 696122), (35, 596676), (38, 549570), (42, 497230), (57, 366380), (60, 348061), (70, 298338), (76, 274785), (84, 248615), (95, 219828), (105, 198892), (114, 183190), (133, 157020), (140, 149169), (190, 109914), (210, 99446), (228, 91595), (266, 78510), (285, 73276), (380, 54957), (399, 52340), (420, 49723), (532, 39255), (570, 36638), (665, 31404), (798, 26170), (1140, 18319), (1330, 15702), (1596, 13085), (1995, 10468), (2617, 7980), (2660, 7851), (3990, 5234)]