20128776870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{145829}}^1$

素因数の和:145989

約数の個数: 64

約数和(自身を含む): 49894859520

約数和(自身を除く): 29766082650

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 107, 129, 214, 215, 258, 321, 430, 535, 642, 645, 1070, 1290, 1605, 3210, 4601, 9202, 13803, 23005, 27606, 46010, 69015, 138030, 145829, 291658, 437487, 729145, 874974, 1458290, 2187435, 4374870, 6270647, 12541294, 15603703, 18811941, 31207406, 31353235, 37623882, 46811109, 62706470, 78018515, 93622218, 94059705, 156037030, 188119410, 234055545, 468111090, 670959229, 1341918458, 2012877687, 3354796145, 4025755374, 6709592290, 10064388435, 20128776870]

約数ペア:

[(1, 20128776870), (2, 10064388435), (3, 6709592290), (5, 4025755374), (6, 3354796145), (10, 2012877687), (15, 1341918458), (30, 670959229), (43, 468111090), (86, 234055545), (107, 188119410), (129, 156037030), (214, 94059705), (215, 93622218), (258, 78018515), (321, 62706470), (430, 46811109), (535, 37623882), (642, 31353235), (645, 31207406), (1070, 18811941), (1290, 15603703), (1605, 12541294), (3210, 6270647), (4601, 4374870), (9202, 2187435), (13803, 1458290), (23005, 874974), (27606, 729145), (46010, 437487), (69015, 291658), (138030, 145829)]