20165761890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{419}}^1\times {\mathrm{449}}^1$

素因数の和:1281

約数の個数: 128

約数和(自身を含む): 54159840000

約数和(自身を除く): 33994078110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 397, 419, 449, 794, 838, 898, 1191, 1257, 1347, 1985, 2095, 2245, 2382, 2514, 2694, 3573, 3771, 3970, 4041, 4190, 4490, 5955, 6285, 6735, 7146, 7542, 8082, 10719, 11313, 11910, 12123, 12570, 13470, 17865, 18855, 20205, 21438, 22626, 24246, 35730, 37710, 40410, 53595, 56565, 60615, 107190, 113130, 121230, 166343, 178253, 188131, 332686, 356506, 376262, 499029, 534759, 564393, 831715, 891265, 940655, 998058, 1069518, 1128786, 1497087, 1604277, 1663430, 1693179, 1782530, 1881310, 2495145, 2673795, 2821965, 2994174, 3208554, 3386358, 4491261, 4812831, 4990290, 5079537, 5347590, 5643930, 7485435, 8021385, 8465895, 8982522, 9625662, 10159074, 14970870, 16042770, 16931790, 22456305, 24064155, 25397685, 44912610, 48128310, 50795370, 74688007, 149376014, 224064021, 373440035, 448128042, 672192063, 746880070, 1120320105, 1344384126, 2016576189, 2240640210, 3360960315, 4033152378, 6721920630, 10082880945, 20165761890]

約数ペア:

[(1, 20165761890), (2, 10082880945), (3, 6721920630), (5, 4033152378), (6, 3360960315), (9, 2240640210), (10, 2016576189), (15, 1344384126), (18, 1120320105), (27, 746880070), (30, 672192063), (45, 448128042), (54, 373440035), (90, 224064021), (135, 149376014), (270, 74688007), (397, 50795370), (419, 48128310), (449, 44912610), (794, 25397685), (838, 24064155), (898, 22456305), (1191, 16931790), (1257, 16042770), (1347, 14970870), (1985, 10159074), (2095, 9625662), (2245, 8982522), (2382, 8465895), (2514, 8021385), (2694, 7485435), (3573, 5643930), (3771, 5347590), (3970, 5079537), (4041, 4990290), (4190, 4812831), (4490, 4491261), (5955, 3386358), (6285, 3208554), (6735, 2994174), (7146, 2821965), (7542, 2673795), (8082, 2495145), (10719, 1881310), (11313, 1782530), (11910, 1693179), (12123, 1663430), (12570, 1604277), (13470, 1497087), (17865, 1128786), (18855, 1069518), (20205, 998058), (21438, 940655), (22626, 891265), (24246, 831715), (35730, 564393), (37710, 534759), (40410, 499029), (53595, 376262), (56565, 356506), (60615, 332686), (107190, 188131), (113130, 178253), (121230, 166343)]