20347508880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{495797}}^1$

素因数の和:495838

約数の個数: 160

約数和(自身を含む): 73774742400

約数和(自身を除く): 53427233520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 5130, 6840, 8208, 10260, 13680, 20520, 41040, 495797, 991594, 1487391, 1983188, 2478985, 2974782, 3966376, 4462173, 4957970, 5949564, 7436955, 7932752, 8924346, 9420143, 9915940, 11899128, 13386519, 14873910, 17848692, 18840286, 19831880, 22310865, 23798256, 26773038, 28260429, 29747820, 35697384, 37680572, 39663760, 44621730, 47100715, 53546076, 56520858, 59495640, 66932595, 71394768, 75361144, 84781287, 89243460, 94201430, 107092152, 113041716, 118991280, 133865190, 141302145, 150722288, 169562574, 178486920, 188402860, 214184304, 226083432, 254343861, 267730380, 282604290, 339125148, 356973840, 376805720, 423906435, 452166864, 508687722, 535460760, 565208580, 678250296, 753611440, 847812870, 1017375444, 1070921520, 1130417160, 1271719305, 1356500592, 1695625740, 2034750888, 2260834320, 2543438610, 3391251480, 4069501776, 5086877220, 6782502960, 10173754440, 20347508880]

約数ペア:

[(1, 20347508880), (2, 10173754440), (3, 6782502960), (4, 5086877220), (5, 4069501776), (6, 3391251480), (8, 2543438610), (9, 2260834320), (10, 2034750888), (12, 1695625740), (15, 1356500592), (16, 1271719305), (18, 1130417160), (19, 1070921520), (20, 1017375444), (24, 847812870), (27, 753611440), (30, 678250296), (36, 565208580), (38, 535460760), (40, 508687722), (45, 452166864), (48, 423906435), (54, 376805720), (57, 356973840), (60, 339125148), (72, 282604290), (76, 267730380), (80, 254343861), (90, 226083432), (95, 214184304), (108, 188402860), (114, 178486920), (120, 169562574), (135, 150722288), (144, 141302145), (152, 133865190), (171, 118991280), (180, 113041716), (190, 107092152), (216, 94201430), (228, 89243460), (240, 84781287), (270, 75361144), (285, 71394768), (304, 66932595), (342, 59495640), (360, 56520858), (380, 53546076), (432, 47100715), (456, 44621730), (513, 39663760), (540, 37680572), (570, 35697384), (684, 29747820), (720, 28260429), (760, 26773038), (855, 23798256), (912, 22310865), (1026, 19831880), (1080, 18840286), (1140, 17848692), (1368, 14873910), (1520, 13386519), (1710, 11899128), (2052, 9915940), (2160, 9420143), (2280, 8924346), (2565, 7932752), (2736, 7436955), (3420, 5949564), (4104, 4957970), (4560, 4462173), (5130, 3966376), (6840, 2974782), (8208, 2478985), (10260, 1983188), (13680, 1487391), (20520, 991594), (41040, 495797)]