20302380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 74511360

約数和(自身を除く): 54208980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 41, 42, 45, 54, 60, 63, 70, 82, 84, 90, 105, 108, 123, 126, 131, 135, 140, 164, 180, 189, 205, 210, 246, 252, 262, 270, 287, 315, 369, 378, 393, 410, 420, 492, 524, 540, 574, 615, 630, 655, 738, 756, 786, 820, 861, 917, 945, 1107, 1148, 1179, 1230, 1260, 1310, 1435, 1476, 1572, 1722, 1834, 1845, 1890, 1965, 2214, 2358, 2460, 2583, 2620, 2751, 2870, 3444, 3537, 3668, 3690, 3780, 3930, 4305, 4428, 4585, 4716, 5166, 5371, 5502, 5535, 5740, 5895, 7074, 7380, 7749, 7860, 8253, 8610, 9170, 10332, 10742, 11004, 11070, 11790, 12915, 13755, 14148, 15498, 16113, 16506, 17220, 17685, 18340, 21484, 22140, 23580, 24759, 25830, 26855, 27510, 30996, 32226, 33012, 35370, 37597, 38745, 41265, 48339, 49518, 51660, 53710, 55020, 64452, 70740, 75194, 77490, 80565, 82530, 96678, 99036, 107420, 112791, 123795, 145017, 150388, 154980, 161130, 165060, 187985, 193356, 225582, 241695, 247590, 290034, 322260, 338373, 375970, 451164, 483390, 495180, 563955, 580068, 676746, 725085, 751940, 966780, 1015119, 1127910, 1353492, 1450170, 1691865, 2030238, 2255820, 2900340, 3383730, 4060476, 5075595, 6767460, 10151190, 20302380]

約数ペア:

[(1, 20302380), (2, 10151190), (3, 6767460), (4, 5075595), (5, 4060476), (6, 3383730), (7, 2900340), (9, 2255820), (10, 2030238), (12, 1691865), (14, 1450170), (15, 1353492), (18, 1127910), (20, 1015119), (21, 966780), (27, 751940), (28, 725085), (30, 676746), (35, 580068), (36, 563955), (41, 495180), (42, 483390), (45, 451164), (54, 375970), (60, 338373), (63, 322260), (70, 290034), (82, 247590), (84, 241695), (90, 225582), (105, 193356), (108, 187985), (123, 165060), (126, 161130), (131, 154980), (135, 150388), (140, 145017), (164, 123795), (180, 112791), (189, 107420), (205, 99036), (210, 96678), (246, 82530), (252, 80565), (262, 77490), (270, 75194), (287, 70740), (315, 64452), (369, 55020), (378, 53710), (393, 51660), (410, 49518), (420, 48339), (492, 41265), (524, 38745), (540, 37597), (574, 35370), (615, 33012), (630, 32226), (655, 30996), (738, 27510), (756, 26855), (786, 25830), (820, 24759), (861, 23580), (917, 22140), (945, 21484), (1107, 18340), (1148, 17685), (1179, 17220), (1230, 16506), (1260, 16113), (1310, 15498), (1435, 14148), (1476, 13755), (1572, 12915), (1722, 11790), (1834, 11070), (1845, 11004), (1890, 10742), (1965, 10332), (2214, 9170), (2358, 8610), (2460, 8253), (2583, 7860), (2620, 7749), (2751, 7380), (2870, 7074), (3444, 5895), (3537, 5740), (3668, 5535), (3690, 5502), (3780, 5371), (3930, 5166), (4305, 4716), (4428, 4585)]