20665350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2417}}^1$

素因数の和:2454

約数の個数: 72

約数和(自身を含む): 58467240

約数和(自身を除く): 37801890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 570, 855, 950, 1425, 1710, 2417, 2850, 4275, 4834, 7251, 8550, 12085, 14502, 21753, 24170, 36255, 43506, 45923, 60425, 72510, 91846, 108765, 120850, 137769, 181275, 217530, 229615, 275538, 362550, 413307, 459230, 543825, 688845, 826614, 1087650, 1148075, 1377690, 2066535, 2296150, 3444225, 4133070, 6888450, 10332675, 20665350]

約数ペア:

[(1, 20665350), (2, 10332675), (3, 6888450), (5, 4133070), (6, 3444225), (9, 2296150), (10, 2066535), (15, 1377690), (18, 1148075), (19, 1087650), (25, 826614), (30, 688845), (38, 543825), (45, 459230), (50, 413307), (57, 362550), (75, 275538), (90, 229615), (95, 217530), (114, 181275), (150, 137769), (171, 120850), (190, 108765), (225, 91846), (285, 72510), (342, 60425), (450, 45923), (475, 43506), (570, 36255), (855, 24170), (950, 21753), (1425, 14502), (1710, 12085), (2417, 8550), (2850, 7251), (4275, 4834)]