2020207800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{259001}}^1$

素因数の和:259033

約数の個数: 96

約数和(自身を含む): 6744412080

約数和(自身を除く): 4724204280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3900, 7800, 259001, 518002, 777003, 1036004, 1295005, 1554006, 2072008, 2590010, 3108012, 3367013, 3885015, 5180020, 6216024, 6475025, 6734026, 7770030, 10101039, 10360040, 12950050, 13468052, 15540060, 16835065, 19425075, 20202078, 25900100, 26936104, 31080120, 33670130, 38850150, 40404156, 50505195, 51800200, 67340260, 77700300, 80808312, 84175325, 101010390, 134680520, 155400600, 168350650, 202020780, 252525975, 336701300, 404041560, 505051950, 673402600, 1010103900, 2020207800]

約数ペア:

[(1, 2020207800), (2, 1010103900), (3, 673402600), (4, 505051950), (5, 404041560), (6, 336701300), (8, 252525975), (10, 202020780), (12, 168350650), (13, 155400600), (15, 134680520), (20, 101010390), (24, 84175325), (25, 80808312), (26, 77700300), (30, 67340260), (39, 51800200), (40, 50505195), (50, 40404156), (52, 38850150), (60, 33670130), (65, 31080120), (75, 26936104), (78, 25900100), (100, 20202078), (104, 19425075), (120, 16835065), (130, 15540060), (150, 13468052), (156, 12950050), (195, 10360040), (200, 10101039), (260, 7770030), (300, 6734026), (312, 6475025), (325, 6216024), (390, 5180020), (520, 3885015), (600, 3367013), (650, 3108012), (780, 2590010), (975, 2072008), (1300, 1554006), (1560, 1295005), (1950, 1036004), (2600, 777003), (3900, 518002), (7800, 259001)]