20066580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 65729664

約数和(自身を除く): 45663084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 37, 45, 46, 60, 69, 74, 90, 92, 111, 115, 131, 138, 148, 180, 185, 207, 222, 230, 262, 276, 333, 345, 370, 393, 414, 444, 460, 524, 555, 655, 666, 690, 740, 786, 828, 851, 1035, 1110, 1179, 1310, 1332, 1380, 1572, 1665, 1702, 1965, 2070, 2220, 2358, 2553, 2620, 3013, 3330, 3404, 3930, 4140, 4255, 4716, 4847, 5106, 5895, 6026, 6660, 7659, 7860, 8510, 9039, 9694, 10212, 11790, 12052, 12765, 14541, 15065, 15318, 17020, 18078, 19388, 23580, 24235, 25530, 27117, 29082, 30130, 30636, 36156, 38295, 43623, 45195, 48470, 51060, 54234, 58164, 60260, 72705, 76590, 87246, 90390, 96940, 108468, 111481, 135585, 145410, 153180, 174492, 180780, 218115, 222962, 271170, 290820, 334443, 436230, 445924, 542340, 557405, 668886, 872460, 1003329, 1114810, 1337772, 1672215, 2006658, 2229620, 3344430, 4013316, 5016645, 6688860, 10033290, 20066580]

約数ペア:

[(1, 20066580), (2, 10033290), (3, 6688860), (4, 5016645), (5, 4013316), (6, 3344430), (9, 2229620), (10, 2006658), (12, 1672215), (15, 1337772), (18, 1114810), (20, 1003329), (23, 872460), (30, 668886), (36, 557405), (37, 542340), (45, 445924), (46, 436230), (60, 334443), (69, 290820), (74, 271170), (90, 222962), (92, 218115), (111, 180780), (115, 174492), (131, 153180), (138, 145410), (148, 135585), (180, 111481), (185, 108468), (207, 96940), (222, 90390), (230, 87246), (262, 76590), (276, 72705), (333, 60260), (345, 58164), (370, 54234), (393, 51060), (414, 48470), (444, 45195), (460, 43623), (524, 38295), (555, 36156), (655, 30636), (666, 30130), (690, 29082), (740, 27117), (786, 25530), (828, 24235), (851, 23580), (1035, 19388), (1110, 18078), (1179, 17020), (1310, 15318), (1332, 15065), (1380, 14541), (1572, 12765), (1665, 12052), (1702, 11790), (1965, 10212), (2070, 9694), (2220, 9039), (2358, 8510), (2553, 7860), (2620, 7659), (3013, 6660), (3330, 6026), (3404, 5895), (3930, 5106), (4140, 4847), (4255, 4716)]