20584530

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 57081024

約数和(自身を除く): 36496494

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 81, 86, 90, 129, 135, 162, 197, 215, 243, 258, 270, 387, 394, 405, 430, 486, 591, 645, 774, 810, 985, 1161, 1182, 1215, 1290, 1773, 1935, 1970, 2322, 2430, 2955, 3483, 3546, 3870, 5319, 5805, 5910, 6966, 8471, 8865, 10449, 10638, 11610, 15957, 16942, 17415, 17730, 20898, 25413, 26595, 31914, 34830, 42355, 47871, 50826, 52245, 53190, 76239, 79785, 84710, 95742, 104490, 127065, 152478, 159570, 228717, 239355, 254130, 381195, 457434, 478710, 686151, 762390, 1143585, 1372302, 2058453, 2287170, 3430755, 4116906, 6861510, 10292265, 20584530]

約数ペア:

[(1, 20584530), (2, 10292265), (3, 6861510), (5, 4116906), (6, 3430755), (9, 2287170), (10, 2058453), (15, 1372302), (18, 1143585), (27, 762390), (30, 686151), (43, 478710), (45, 457434), (54, 381195), (81, 254130), (86, 239355), (90, 228717), (129, 159570), (135, 152478), (162, 127065), (197, 104490), (215, 95742), (243, 84710), (258, 79785), (270, 76239), (387, 53190), (394, 52245), (405, 50826), (430, 47871), (486, 42355), (591, 34830), (645, 31914), (774, 26595), (810, 25413), (985, 20898), (1161, 17730), (1182, 17415), (1215, 16942), (1290, 15957), (1773, 11610), (1935, 10638), (1970, 10449), (2322, 8865), (2430, 8471), (2955, 6966), (3483, 5910), (3546, 5805), (3870, 5319)]