20869506

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9743}}^1$

素因数の和:9775

約数の個数: 48

約数和(自身を含む): 54722304

約数和(自身を除く): 33852798

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 9743, 19486, 29229, 58458, 68201, 87687, 136402, 165631, 175374, 204603, 331262, 409206, 496893, 613809, 993786, 1159417, 1227618, 1490679, 2318834, 2981358, 3478251, 6956502, 10434753, 20869506]

約数ペア:

[(1, 20869506), (2, 10434753), (3, 6956502), (6, 3478251), (7, 2981358), (9, 2318834), (14, 1490679), (17, 1227618), (18, 1159417), (21, 993786), (34, 613809), (42, 496893), (51, 409206), (63, 331262), (102, 204603), (119, 175374), (126, 165631), (153, 136402), (238, 87687), (306, 68201), (357, 58458), (714, 29229), (1071, 19486), (2142, 9743)]