20582580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1187}}^1$

素因数の和:1233

約数の個数: 72

約数和(自身を含む): 61272288

約数和(自身を除く): 40689708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1187, 1445, 1734, 2374, 2890, 3468, 3561, 4335, 4748, 5780, 5935, 7122, 8670, 11870, 14244, 17340, 17805, 20179, 23740, 35610, 40358, 60537, 71220, 80716, 100895, 121074, 201790, 242148, 302685, 343043, 403580, 605370, 686086, 1029129, 1210740, 1372172, 1715215, 2058258, 3430430, 4116516, 5145645, 6860860, 10291290, 20582580]

約数ペア:

[(1, 20582580), (2, 10291290), (3, 6860860), (4, 5145645), (5, 4116516), (6, 3430430), (10, 2058258), (12, 1715215), (15, 1372172), (17, 1210740), (20, 1029129), (30, 686086), (34, 605370), (51, 403580), (60, 343043), (68, 302685), (85, 242148), (102, 201790), (170, 121074), (204, 100895), (255, 80716), (289, 71220), (340, 60537), (510, 40358), (578, 35610), (867, 23740), (1020, 20179), (1156, 17805), (1187, 17340), (1445, 14244), (1734, 11870), (2374, 8670), (2890, 7122), (3468, 5935), (3561, 5780), (4335, 4748)]