19996620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1013}}^1$

素因数の和:1079

約数の個数: 96

約数和(自身を含む): 65415168

約数和(自身を除く): 45418548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1013, 1316, 1410, 1645, 1974, 2026, 2820, 3039, 3290, 3948, 4052, 4935, 5065, 6078, 6580, 7091, 9870, 10130, 12156, 14182, 15195, 19740, 20260, 21273, 28364, 30390, 35455, 42546, 47611, 60780, 70910, 85092, 95222, 106365, 141820, 142833, 190444, 212730, 238055, 285666, 333277, 425460, 476110, 571332, 666554, 714165, 952220, 999831, 1333108, 1428330, 1666385, 1999662, 2856660, 3332770, 3999324, 4999155, 6665540, 9998310, 19996620]

約数ペア:

[(1, 19996620), (2, 9998310), (3, 6665540), (4, 4999155), (5, 3999324), (6, 3332770), (7, 2856660), (10, 1999662), (12, 1666385), (14, 1428330), (15, 1333108), (20, 999831), (21, 952220), (28, 714165), (30, 666554), (35, 571332), (42, 476110), (47, 425460), (60, 333277), (70, 285666), (84, 238055), (94, 212730), (105, 190444), (140, 142833), (141, 141820), (188, 106365), (210, 95222), (235, 85092), (282, 70910), (329, 60780), (420, 47611), (470, 42546), (564, 35455), (658, 30390), (705, 28364), (940, 21273), (987, 20260), (1013, 19740), (1316, 15195), (1410, 14182), (1645, 12156), (1974, 10130), (2026, 9870), (2820, 7091), (3039, 6580), (3290, 6078), (3948, 5065), (4052, 4935)]