20162645620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{18539}}^1$

素因数の和:18697

約数の個数: 96

約数和(自身を含む): 47094566400

約数和(自身を除く): 26931920780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 89, 94, 130, 178, 188, 235, 260, 356, 445, 470, 611, 890, 940, 1157, 1222, 1780, 2314, 2444, 3055, 4183, 4628, 5785, 6110, 8366, 11570, 12220, 16732, 18539, 20915, 23140, 37078, 41830, 54379, 74156, 83660, 92695, 108758, 185390, 217516, 241007, 271895, 370780, 482014, 543790, 871333, 964028, 1087580, 1205035, 1649971, 1742666, 2410070, 3299942, 3485332, 4356665, 4820140, 6599884, 8249855, 8713330, 11327329, 16499710, 17426660, 21449623, 22654658, 32999420, 42899246, 45309316, 56636645, 77548637, 85798492, 107248115, 113273290, 155097274, 214496230, 226546580, 310194548, 387743185, 428992460, 775486370, 1008132281, 1550972740, 2016264562, 4032529124, 5040661405, 10081322810, 20162645620]

約数ペア:

[(1, 20162645620), (2, 10081322810), (4, 5040661405), (5, 4032529124), (10, 2016264562), (13, 1550972740), (20, 1008132281), (26, 775486370), (47, 428992460), (52, 387743185), (65, 310194548), (89, 226546580), (94, 214496230), (130, 155097274), (178, 113273290), (188, 107248115), (235, 85798492), (260, 77548637), (356, 56636645), (445, 45309316), (470, 42899246), (611, 32999420), (890, 22654658), (940, 21449623), (1157, 17426660), (1222, 16499710), (1780, 11327329), (2314, 8713330), (2444, 8249855), (3055, 6599884), (4183, 4820140), (4628, 4356665), (5785, 3485332), (6110, 3299942), (8366, 2410070), (11570, 1742666), (12220, 1649971), (16732, 1205035), (18539, 1087580), (20915, 964028), (23140, 871333), (37078, 543790), (41830, 482014), (54379, 370780), (74156, 271895), (83660, 241007), (92695, 217516), (108758, 185390)]