20318446088

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{673}}^1\times {\mathrm{727}}^1$

素因数の和:1614

約数の個数: 64

約数和(自身を含む): 39744432000

約数和(自身を除く): 19425985912

約数列:

[1, 2, 4, 8, 29, 58, 116, 179, 232, 358, 673, 716, 727, 1346, 1432, 1454, 2692, 2908, 5191, 5384, 5816, 10382, 19517, 20764, 21083, 39034, 41528, 42166, 78068, 84332, 120467, 130133, 156136, 168664, 240934, 260266, 481868, 489271, 520532, 963736, 978542, 1041064, 1957084, 3493543, 3773857, 3914168, 6987086, 7547714, 13974172, 14188859, 15095428, 27948344, 28377718, 30190856, 56755436, 87579509, 113510872, 175159018, 350318036, 700636072, 2539805761, 5079611522, 10159223044, 20318446088]

約数ペア:

[(1, 20318446088), (2, 10159223044), (4, 5079611522), (8, 2539805761), (29, 700636072), (58, 350318036), (116, 175159018), (179, 113510872), (232, 87579509), (358, 56755436), (673, 30190856), (716, 28377718), (727, 27948344), (1346, 15095428), (1432, 14188859), (1454, 13974172), (2692, 7547714), (2908, 6987086), (5191, 3914168), (5384, 3773857), (5816, 3493543), (10382, 1957084), (19517, 1041064), (20764, 978542), (21083, 963736), (39034, 520532), (41528, 489271), (42166, 481868), (78068, 260266), (84332, 240934), (120467, 168664), (130133, 156136)]