20177528420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1741}}^1\times {\mathrm{4357}}^1$

素因数の和:6133

約数の個数: 96

約数和(自身を含む): 51015793920

約数和(自身を除く): 30838265500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 1741, 2660, 3482, 4357, 6964, 8705, 8714, 12187, 17410, 17428, 21785, 24374, 30499, 33079, 34820, 43570, 48748, 60935, 60998, 66158, 82783, 87140, 121870, 121996, 132316, 152495, 165395, 165566, 231553, 243740, 304990, 330790, 331132, 413915, 463106, 579481, 609980, 661580, 827830, 926212, 1157765, 1158962, 1655660, 2315530, 2317924, 2897405, 4631060, 5794810, 7585537, 11589620, 15171074, 30342148, 37927685, 53098759, 75855370, 106197518, 144125203, 151710740, 212395036, 265493795, 288250406, 530987590, 576500812, 720626015, 1008876421, 1061975180, 1441252030, 2017752842, 2882504060, 4035505684, 5044382105, 10088764210, 20177528420]

約数ペア:

[(1, 20177528420), (2, 10088764210), (4, 5044382105), (5, 4035505684), (7, 2882504060), (10, 2017752842), (14, 1441252030), (19, 1061975180), (20, 1008876421), (28, 720626015), (35, 576500812), (38, 530987590), (70, 288250406), (76, 265493795), (95, 212395036), (133, 151710740), (140, 144125203), (190, 106197518), (266, 75855370), (380, 53098759), (532, 37927685), (665, 30342148), (1330, 15171074), (1741, 11589620), (2660, 7585537), (3482, 5794810), (4357, 4631060), (6964, 2897405), (8705, 2317924), (8714, 2315530), (12187, 1655660), (17410, 1158962), (17428, 1157765), (21785, 926212), (24374, 827830), (30499, 661580), (33079, 609980), (34820, 579481), (43570, 463106), (48748, 413915), (60935, 331132), (60998, 330790), (66158, 304990), (82783, 243740), (87140, 231553), (121870, 165566), (121996, 165395), (132316, 152495)]