20736260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 46811520

約数和(自身を除く): 26075260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 859, 1207, 1420, 1718, 2414, 3436, 4295, 4828, 6035, 8590, 12070, 14603, 17180, 24140, 29206, 58412, 60989, 73015, 121978, 146030, 243956, 292060, 304945, 609890, 1036813, 1219780, 2073626, 4147252, 5184065, 10368130, 20736260]

約数ペア:

[(1, 20736260), (2, 10368130), (4, 5184065), (5, 4147252), (10, 2073626), (17, 1219780), (20, 1036813), (34, 609890), (68, 304945), (71, 292060), (85, 243956), (142, 146030), (170, 121978), (284, 73015), (340, 60989), (355, 58412), (710, 29206), (859, 24140), (1207, 17180), (1420, 14603), (1718, 12070), (2414, 8590), (3436, 6035), (4295, 4828)]