20930434960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{141959}}^1$

素因数の和:142088

約数の個数: 80

約数和(自身を含む): 51752937600

約数和(自身を除く): 30822502640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 485, 760, 776, 970, 1520, 1552, 1843, 1940, 3686, 3880, 7372, 7760, 9215, 14744, 18430, 29488, 36860, 73720, 141959, 147440, 283918, 567836, 709795, 1135672, 1419590, 2271344, 2697221, 2839180, 5394442, 5678360, 10788884, 11356720, 13486105, 13770023, 21577768, 26972210, 27540046, 43155536, 53944420, 55080092, 68850115, 107888840, 110160184, 137700230, 215777680, 220320368, 261630437, 275400460, 523260874, 550800920, 1046521748, 1101601840, 1308152185, 2093043496, 2616304370, 4186086992, 5232608740, 10465217480, 20930434960]

約数ペア:

[(1, 20930434960), (2, 10465217480), (4, 5232608740), (5, 4186086992), (8, 2616304370), (10, 2093043496), (16, 1308152185), (19, 1101601840), (20, 1046521748), (38, 550800920), (40, 523260874), (76, 275400460), (80, 261630437), (95, 220320368), (97, 215777680), (152, 137700230), (190, 110160184), (194, 107888840), (304, 68850115), (380, 55080092), (388, 53944420), (485, 43155536), (760, 27540046), (776, 26972210), (970, 21577768), (1520, 13770023), (1552, 13486105), (1843, 11356720), (1940, 10788884), (3686, 5678360), (3880, 5394442), (7372, 2839180), (7760, 2697221), (9215, 2271344), (14744, 1419590), (18430, 1135672), (29488, 709795), (36860, 567836), (73720, 283918), (141959, 147440)]