20952840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10271}}^1$

素因数の和:10302

約数の個数: 64

約数和(自身を含む): 66562560

約数和(自身を除く): 45609720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10271, 20542, 30813, 41084, 51355, 61626, 82168, 102710, 123252, 154065, 174607, 205420, 246504, 308130, 349214, 410840, 523821, 616260, 698428, 873035, 1047642, 1232520, 1396856, 1746070, 2095284, 2619105, 3492140, 4190568, 5238210, 6984280, 10476420, 20952840]

約数ペア:

[(1, 20952840), (2, 10476420), (3, 6984280), (4, 5238210), (5, 4190568), (6, 3492140), (8, 2619105), (10, 2095284), (12, 1746070), (15, 1396856), (17, 1232520), (20, 1047642), (24, 873035), (30, 698428), (34, 616260), (40, 523821), (51, 410840), (60, 349214), (68, 308130), (85, 246504), (102, 205420), (120, 174607), (136, 154065), (170, 123252), (204, 102710), (255, 82168), (340, 61626), (408, 51355), (510, 41084), (680, 30813), (1020, 20542), (2040, 10271)]