20195399898

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{14947}}^1$

素因数の和:15280

約数の個数: 64

約数和(自身を含む): 45461053440

約数和(自身を除く): 25265653542

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 191, 262, 382, 393, 573, 786, 1146, 1179, 1719, 2358, 3438, 3537, 5157, 7074, 10314, 14947, 25021, 29894, 44841, 50042, 75063, 89682, 134523, 150126, 225189, 269046, 403569, 450378, 675567, 807138, 1351134, 1958057, 2854877, 3916114, 5709754, 5874171, 8564631, 11748342, 17129262, 17622513, 25693893, 35245026, 51387786, 52867539, 77081679, 105735078, 154163358, 373988887, 747977774, 1121966661, 2243933322, 3365899983, 6731799966, 10097699949, 20195399898]

約数ペア:

[(1, 20195399898), (2, 10097699949), (3, 6731799966), (6, 3365899983), (9, 2243933322), (18, 1121966661), (27, 747977774), (54, 373988887), (131, 154163358), (191, 105735078), (262, 77081679), (382, 52867539), (393, 51387786), (573, 35245026), (786, 25693893), (1146, 17622513), (1179, 17129262), (1719, 11748342), (2358, 8564631), (3438, 5874171), (3537, 5709754), (5157, 3916114), (7074, 2854877), (10314, 1958057), (14947, 1351134), (25021, 807138), (29894, 675567), (44841, 450378), (50042, 403569), (75063, 269046), (89682, 225189), (134523, 150126)]