20604200092

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 44134064128

約数和(自身を除く): 23529864036

約数列:

[1, 2, 4, 7, 14, 28, 43, 47, 61, 86, 94, 122, 127, 172, 188, 244, 254, 301, 329, 427, 508, 602, 658, 854, 889, 1204, 1316, 1708, 1778, 2021, 2209, 2623, 2867, 3556, 4042, 4418, 5246, 5461, 5734, 5969, 7747, 8084, 8836, 10492, 10922, 11468, 11938, 14147, 15463, 15494, 18361, 20069, 21844, 23876, 28294, 30926, 30988, 36722, 38227, 40138, 41783, 54229, 56588, 61852, 73444, 76454, 80276, 83566, 94987, 108458, 123281, 134749, 152908, 167132, 189974, 216916, 246562, 256667, 269498, 280543, 333121, 364109, 379948, 493124, 513334, 538996, 561086, 664909, 666242, 728218, 862967, 943243, 1026668, 1122172, 1329818, 1332484, 1456436, 1725934, 1796669, 1886486, 1963801, 2331847, 2548763, 2659636, 3451868, 3593338, 3772972, 3927602, 4663694, 5097526, 5794207, 7186676, 7855204, 9327388, 10195052, 11588414, 12063349, 15656687, 17113123, 23176828, 24126698, 31313374, 34226246, 40559449, 48253396, 62626748, 68452492, 81118898, 84443443, 109596809, 119791861, 162237796, 168886886, 219193618, 239583722, 337773772, 438387236, 479167444, 735864289, 1471728578, 2943457156, 5151050023, 10302100046, 20604200092]

約数ペア:

[(1, 20604200092), (2, 10302100046), (4, 5151050023), (7, 2943457156), (14, 1471728578), (28, 735864289), (43, 479167444), (47, 438387236), (61, 337773772), (86, 239583722), (94, 219193618), (122, 168886886), (127, 162237796), (172, 119791861), (188, 109596809), (244, 84443443), (254, 81118898), (301, 68452492), (329, 62626748), (427, 48253396), (508, 40559449), (602, 34226246), (658, 31313374), (854, 24126698), (889, 23176828), (1204, 17113123), (1316, 15656687), (1708, 12063349), (1778, 11588414), (2021, 10195052), (2209, 9327388), (2623, 7855204), (2867, 7186676), (3556, 5794207), (4042, 5097526), (4418, 4663694), (5246, 3927602), (5461, 3772972), (5734, 3593338), (5969, 3451868), (7747, 2659636), (8084, 2548763), (8836, 2331847), (10492, 1963801), (10922, 1886486), (11468, 1796669), (11938, 1725934), (14147, 1456436), (15463, 1332484), (15494, 1329818), (18361, 1122172), (20069, 1026668), (21844, 943243), (23876, 862967), (28294, 728218), (30926, 666242), (30988, 664909), (36722, 561086), (38227, 538996), (40138, 513334), (41783, 493124), (54229, 379948), (56588, 364109), (61852, 333121), (73444, 280543), (76454, 269498), (80276, 256667), (83566, 246562), (94987, 216916), (108458, 189974), (123281, 167132), (134749, 152908)]