20634660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 66830400

約数和(自身を除く): 46195740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 59, 60, 67, 87, 90, 116, 118, 134, 145, 174, 177, 180, 201, 236, 261, 268, 290, 295, 335, 348, 354, 402, 435, 522, 531, 580, 590, 603, 670, 708, 804, 870, 885, 1005, 1044, 1062, 1180, 1206, 1305, 1340, 1711, 1740, 1770, 1943, 2010, 2124, 2412, 2610, 2655, 3015, 3422, 3540, 3886, 3953, 4020, 5133, 5220, 5310, 5829, 6030, 6844, 7772, 7906, 8555, 9715, 10266, 10620, 11658, 11859, 12060, 15399, 15812, 17110, 17487, 19430, 19765, 20532, 23316, 23718, 25665, 29145, 30798, 34220, 34974, 35577, 38860, 39530, 47436, 51330, 58290, 59295, 61596, 69948, 71154, 76995, 79060, 87435, 102660, 114637, 116580, 118590, 142308, 153990, 174870, 177885, 229274, 237180, 307980, 343911, 349740, 355770, 458548, 573185, 687822, 711540, 1031733, 1146370, 1375644, 1719555, 2063466, 2292740, 3439110, 4126932, 5158665, 6878220, 10317330, 20634660]

約数ペア:

[(1, 20634660), (2, 10317330), (3, 6878220), (4, 5158665), (5, 4126932), (6, 3439110), (9, 2292740), (10, 2063466), (12, 1719555), (15, 1375644), (18, 1146370), (20, 1031733), (29, 711540), (30, 687822), (36, 573185), (45, 458548), (58, 355770), (59, 349740), (60, 343911), (67, 307980), (87, 237180), (90, 229274), (116, 177885), (118, 174870), (134, 153990), (145, 142308), (174, 118590), (177, 116580), (180, 114637), (201, 102660), (236, 87435), (261, 79060), (268, 76995), (290, 71154), (295, 69948), (335, 61596), (348, 59295), (354, 58290), (402, 51330), (435, 47436), (522, 39530), (531, 38860), (580, 35577), (590, 34974), (603, 34220), (670, 30798), (708, 29145), (804, 25665), (870, 23718), (885, 23316), (1005, 20532), (1044, 19765), (1062, 19430), (1180, 17487), (1206, 17110), (1305, 15812), (1340, 15399), (1711, 12060), (1740, 11859), (1770, 11658), (1943, 10620), (2010, 10266), (2124, 9715), (2412, 8555), (2610, 7906), (2655, 7772), (3015, 6844), (3422, 6030), (3540, 5829), (3886, 5310), (3953, 5220), (4020, 5133)]