20052180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6553}}^1$

素因数の和:6585

約数の個数: 72

約数和(自身を含む): 64412712

約数和(自身を除く): 44360532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6553, 13106, 19659, 26212, 32765, 39318, 58977, 65530, 78636, 98295, 111401, 117954, 131060, 196590, 222802, 235908, 294885, 334203, 393180, 445604, 557005, 589770, 668406, 1002609, 1114010, 1179540, 1336812, 1671015, 2005218, 2228020, 3342030, 4010436, 5013045, 6684060, 10026090, 20052180]

約数ペア:

[(1, 20052180), (2, 10026090), (3, 6684060), (4, 5013045), (5, 4010436), (6, 3342030), (9, 2228020), (10, 2005218), (12, 1671015), (15, 1336812), (17, 1179540), (18, 1114010), (20, 1002609), (30, 668406), (34, 589770), (36, 557005), (45, 445604), (51, 393180), (60, 334203), (68, 294885), (85, 235908), (90, 222802), (102, 196590), (153, 131060), (170, 117954), (180, 111401), (204, 98295), (255, 78636), (306, 65530), (340, 58977), (510, 39318), (612, 32765), (765, 26212), (1020, 19659), (1530, 13106), (3060, 6553)]