20147606384

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:863

約数の個数: 120

約数和(自身を含む): 42414151392

約数和(自身を除く): 22266545008

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 73, 76, 142, 146, 152, 284, 292, 304, 361, 568, 584, 673, 722, 1136, 1168, 1346, 1349, 1387, 1444, 2692, 2698, 2774, 2888, 5183, 5384, 5396, 5548, 5776, 10366, 10768, 10792, 11096, 12787, 20732, 21584, 22192, 25574, 25631, 26353, 41464, 47783, 49129, 51148, 51262, 52706, 82928, 95566, 98258, 98477, 102296, 102524, 105412, 191132, 196516, 196954, 204592, 205048, 210824, 242953, 382264, 393032, 393908, 410096, 421648, 485906, 764528, 786064, 787816, 907877, 933451, 971812, 1575632, 1815754, 1866902, 1871063, 1943624, 3488159, 3631508, 3733804, 3742126, 3887248, 6976318, 7263016, 7467608, 7484252, 13952636, 14526032, 14935216, 14968504, 17249663, 17735569, 27905272, 29937008, 34499326, 35471138, 55810544, 66275021, 68998652, 70942276, 132550042, 137997304, 141884552, 265100084, 275994608, 283769104, 530200168, 1060400336, 1259225399, 2518450798, 5036901596, 10073803192, 20147606384]

約数ペア:

[(1, 20147606384), (2, 10073803192), (4, 5036901596), (8, 2518450798), (16, 1259225399), (19, 1060400336), (38, 530200168), (71, 283769104), (73, 275994608), (76, 265100084), (142, 141884552), (146, 137997304), (152, 132550042), (284, 70942276), (292, 68998652), (304, 66275021), (361, 55810544), (568, 35471138), (584, 34499326), (673, 29937008), (722, 27905272), (1136, 17735569), (1168, 17249663), (1346, 14968504), (1349, 14935216), (1387, 14526032), (1444, 13952636), (2692, 7484252), (2698, 7467608), (2774, 7263016), (2888, 6976318), (5183, 3887248), (5384, 3742126), (5396, 3733804), (5548, 3631508), (5776, 3488159), (10366, 1943624), (10768, 1871063), (10792, 1866902), (11096, 1815754), (12787, 1575632), (20732, 971812), (21584, 933451), (22192, 907877), (25574, 787816), (25631, 786064), (26353, 764528), (41464, 485906), (47783, 421648), (49129, 410096), (51148, 393908), (51262, 393032), (52706, 382264), (82928, 242953), (95566, 210824), (98258, 205048), (98477, 204592), (102296, 196954), (102524, 196516), (105412, 191132)]