20056260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 69261696

約数和(自身を除く): 49205436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 53, 60, 68, 70, 84, 85, 102, 105, 106, 119, 140, 159, 170, 204, 210, 212, 238, 255, 265, 318, 340, 357, 371, 420, 476, 510, 530, 595, 636, 714, 742, 795, 901, 1020, 1060, 1113, 1190, 1428, 1484, 1590, 1785, 1802, 1855, 2226, 2380, 2703, 2809, 3180, 3570, 3604, 3710, 4452, 4505, 5406, 5565, 5618, 6307, 7140, 7420, 8427, 9010, 10812, 11130, 11236, 12614, 13515, 14045, 16854, 18020, 18921, 19663, 22260, 25228, 27030, 28090, 31535, 33708, 37842, 39326, 42135, 47753, 54060, 56180, 58989, 63070, 75684, 78652, 84270, 94605, 95506, 98315, 117978, 126140, 143259, 168540, 189210, 191012, 196630, 235956, 238765, 286518, 294945, 334271, 378420, 393260, 477530, 573036, 589890, 668542, 716295, 955060, 1002813, 1179780, 1337084, 1432590, 1671355, 2005626, 2865180, 3342710, 4011252, 5014065, 6685420, 10028130, 20056260]

約数ペア:

[(1, 20056260), (2, 10028130), (3, 6685420), (4, 5014065), (5, 4011252), (6, 3342710), (7, 2865180), (10, 2005626), (12, 1671355), (14, 1432590), (15, 1337084), (17, 1179780), (20, 1002813), (21, 955060), (28, 716295), (30, 668542), (34, 589890), (35, 573036), (42, 477530), (51, 393260), (53, 378420), (60, 334271), (68, 294945), (70, 286518), (84, 238765), (85, 235956), (102, 196630), (105, 191012), (106, 189210), (119, 168540), (140, 143259), (159, 126140), (170, 117978), (204, 98315), (210, 95506), (212, 94605), (238, 84270), (255, 78652), (265, 75684), (318, 63070), (340, 58989), (357, 56180), (371, 54060), (420, 47753), (476, 42135), (510, 39326), (530, 37842), (595, 33708), (636, 31535), (714, 28090), (742, 27030), (795, 25228), (901, 22260), (1020, 19663), (1060, 18921), (1113, 18020), (1190, 16854), (1428, 14045), (1484, 13515), (1590, 12614), (1785, 11236), (1802, 11130), (1855, 10812), (2226, 9010), (2380, 8427), (2703, 7420), (2809, 7140), (3180, 6307), (3570, 5618), (3604, 5565), (3710, 5406), (4452, 4505)]