20196765589

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:1007

約数の個数: 96

約数和(自身を含む): 29039560704

約数和(自身を除く): 8842795115

約数列:

[1, 7, 11, 13, 23, 43, 77, 91, 143, 161, 253, 299, 301, 473, 529, 559, 887, 989, 1001, 1771, 2093, 3289, 3311, 3703, 3913, 5819, 6149, 6209, 6877, 6923, 9757, 10879, 11531, 12857, 20401, 22747, 23023, 38141, 40733, 43043, 48139, 68299, 75647, 76153, 80717, 89999, 126841, 141427, 142807, 159229, 224411, 250217, 265213, 266987, 295711, 419551, 469223, 495833, 529529, 877243, 887887, 989989, 1570877, 1751519, 1856491, 2069977, 2917343, 2936857, 3252821, 3284561, 3470831, 5161453, 5454163, 6099899, 6140701, 9649673, 11404159, 20176589, 20421401, 22769747, 36130171, 38179141, 42699293, 67098889, 67547711, 79829113, 125445749, 141236123, 221942479, 262295657, 469692223, 878120243, 1553597353, 1836069599, 2885252227, 20196765589]

約数ペア:

[(1, 20196765589), (7, 2885252227), (11, 1836069599), (13, 1553597353), (23, 878120243), (43, 469692223), (77, 262295657), (91, 221942479), (143, 141236123), (161, 125445749), (253, 79829113), (299, 67547711), (301, 67098889), (473, 42699293), (529, 38179141), (559, 36130171), (887, 22769747), (989, 20421401), (1001, 20176589), (1771, 11404159), (2093, 9649673), (3289, 6140701), (3311, 6099899), (3703, 5454163), (3913, 5161453), (5819, 3470831), (6149, 3284561), (6209, 3252821), (6877, 2936857), (6923, 2917343), (9757, 2069977), (10879, 1856491), (11531, 1751519), (12857, 1570877), (20401, 989989), (22747, 887887), (23023, 877243), (38141, 529529), (40733, 495833), (43043, 469223), (48139, 419551), (68299, 295711), (75647, 266987), (76153, 265213), (80717, 250217), (89999, 224411), (126841, 159229), (141427, 142807)]