20788608360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{360163}}^1$

素因数の和:360227

約数の個数: 128

約数和(自身を含む): 68978609280

約数和(自身を除く): 48190000920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2886, 3848, 4440, 4810, 5772, 7215, 9620, 11544, 14430, 19240, 28860, 57720, 360163, 720326, 1080489, 1440652, 1800815, 2160978, 2881304, 3601630, 4321956, 4682119, 5402445, 7203260, 8643912, 9364238, 10804890, 13326031, 14046357, 14406520, 18728476, 21609780, 23410595, 26652062, 28092714, 37456952, 39978093, 43219560, 46821190, 53304124, 56185428, 66630155, 70231785, 79956186, 93642380, 106608248, 112370856, 133260310, 140463570, 159912372, 173238403, 187284760, 199890465, 266520620, 280927140, 319824744, 346476806, 399780930, 519715209, 533041240, 561854280, 692953612, 799561860, 866192015, 1039430418, 1385907224, 1599123720, 1732384030, 2078860836, 2598576045, 3464768060, 4157721672, 5197152090, 6929536120, 10394304180, 20788608360]

約数ペア:

[(1, 20788608360), (2, 10394304180), (3, 6929536120), (4, 5197152090), (5, 4157721672), (6, 3464768060), (8, 2598576045), (10, 2078860836), (12, 1732384030), (13, 1599123720), (15, 1385907224), (20, 1039430418), (24, 866192015), (26, 799561860), (30, 692953612), (37, 561854280), (39, 533041240), (40, 519715209), (52, 399780930), (60, 346476806), (65, 319824744), (74, 280927140), (78, 266520620), (104, 199890465), (111, 187284760), (120, 173238403), (130, 159912372), (148, 140463570), (156, 133260310), (185, 112370856), (195, 106608248), (222, 93642380), (260, 79956186), (296, 70231785), (312, 66630155), (370, 56185428), (390, 53304124), (444, 46821190), (481, 43219560), (520, 39978093), (555, 37456952), (740, 28092714), (780, 26652062), (888, 23410595), (962, 21609780), (1110, 18728476), (1443, 14406520), (1480, 14046357), (1560, 13326031), (1924, 10804890), (2220, 9364238), (2405, 8643912), (2886, 7203260), (3848, 5402445), (4440, 4682119), (4810, 4321956), (5772, 3601630), (7215, 2881304), (9620, 2160978), (11544, 1800815), (14430, 1440652), (19240, 1080489), (28860, 720326), (57720, 360163)]