2020397720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{148123}}^1$

素因数の和:148176

約数の個数: 64

約数和(自身を含む): 5119165440

約数和(自身を除く): 3098767720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 148123, 296246, 592492, 740615, 1184984, 1481230, 1629353, 2962460, 3258706, 4591813, 5924920, 6517412, 8146765, 9183626, 13034824, 16293530, 18367252, 22959065, 32587060, 36734504, 45918130, 50509943, 65174120, 91836260, 101019886, 183672520, 202039772, 252549715, 404079544, 505099430, 1010198860, 2020397720]

約数ペア:

[(1, 2020397720), (2, 1010198860), (4, 505099430), (5, 404079544), (8, 252549715), (10, 202039772), (11, 183672520), (20, 101019886), (22, 91836260), (31, 65174120), (40, 50509943), (44, 45918130), (55, 36734504), (62, 32587060), (88, 22959065), (110, 18367252), (124, 16293530), (155, 13034824), (220, 9183626), (248, 8146765), (310, 6517412), (341, 5924920), (440, 4591813), (620, 3258706), (682, 2962460), (1240, 1629353), (1364, 1481230), (1705, 1184984), (2728, 740615), (3410, 592492), (6820, 296246), (13640, 148123)]