20515780474

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1\times {\mathrm{1013}}^1$

素因数の和:1735

約数の個数: 64

約数和(自身を含む): 36918685440

約数和(自身を除く): 16402904966

約数列:

[1, 2, 7, 14, 29, 58, 83, 166, 203, 406, 581, 601, 1013, 1162, 1202, 2026, 2407, 4207, 4814, 7091, 8414, 14182, 16849, 17429, 29377, 33698, 34858, 49883, 58754, 84079, 99766, 122003, 168158, 205639, 244006, 349181, 411278, 588553, 608813, 698362, 1177106, 1217626, 1446607, 2438291, 2893214, 4261691, 4876582, 8523382, 10126249, 17068037, 17655577, 20252498, 34136074, 35311154, 50531479, 101062958, 123589039, 247178078, 353720353, 707440706, 1465412891, 2930825782, 10257890237, 20515780474]

約数ペア:

[(1, 20515780474), (2, 10257890237), (7, 2930825782), (14, 1465412891), (29, 707440706), (58, 353720353), (83, 247178078), (166, 123589039), (203, 101062958), (406, 50531479), (581, 35311154), (601, 34136074), (1013, 20252498), (1162, 17655577), (1202, 17068037), (2026, 10126249), (2407, 8523382), (4207, 4876582), (4814, 4261691), (7091, 2893214), (8414, 2438291), (14182, 1446607), (16849, 1217626), (17429, 1177106), (29377, 698362), (33698, 608813), (34858, 588553), (49883, 411278), (58754, 349181), (84079, 244006), (99766, 205639), (122003, 168158)]