20197907570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1\times {\mathrm{2753}}^1$

素因数の和:3299

約数の個数: 64

約数和(自身を含む): 38975489280

約数和(自身を除く): 18777581710

約数列:

[1, 2, 5, 10, 17, 34, 85, 103, 170, 206, 419, 515, 838, 1030, 1751, 2095, 2753, 3502, 4190, 5506, 7123, 8755, 13765, 14246, 17510, 27530, 35615, 43157, 46801, 71230, 86314, 93602, 215785, 234005, 283559, 431570, 468010, 567118, 733669, 1153507, 1417795, 1467338, 2307014, 2835590, 3668345, 4820503, 5767535, 7336690, 9641006, 11535070, 19609619, 24102515, 39219238, 48205030, 98048095, 118811221, 196096190, 237622442, 594056105, 1188112210, 2019790757, 4039581514, 10098953785, 20197907570]

約数ペア:

[(1, 20197907570), (2, 10098953785), (5, 4039581514), (10, 2019790757), (17, 1188112210), (34, 594056105), (85, 237622442), (103, 196096190), (170, 118811221), (206, 98048095), (419, 48205030), (515, 39219238), (838, 24102515), (1030, 19609619), (1751, 11535070), (2095, 9641006), (2753, 7336690), (3502, 5767535), (4190, 4820503), (5506, 3668345), (7123, 2835590), (8755, 2307014), (13765, 1467338), (14246, 1417795), (17510, 1153507), (27530, 733669), (35615, 567118), (43157, 468010), (46801, 431570), (71230, 283559), (86314, 234005), (93602, 215785)]