20123364100

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{34511}}^1$

素因数の和:34563

約数の個数: 144

約数和(自身を含む): 53921548800

約数和(自身を除く): 33798184700

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 49, 50, 68, 70, 85, 98, 100, 119, 140, 170, 175, 196, 238, 245, 340, 343, 350, 425, 476, 490, 595, 686, 700, 833, 850, 980, 1190, 1225, 1372, 1666, 1700, 1715, 2380, 2450, 2975, 3332, 3430, 4165, 4900, 5831, 5950, 6860, 8330, 8575, 11662, 11900, 16660, 17150, 20825, 23324, 29155, 34300, 34511, 41650, 58310, 69022, 83300, 116620, 138044, 145775, 172555, 241577, 291550, 345110, 483154, 583100, 586687, 690220, 862775, 966308, 1173374, 1207885, 1691039, 1725550, 2346748, 2415770, 2933435, 3382078, 3451100, 4106809, 4831540, 5866870, 6039425, 6764156, 8213618, 8455195, 11733740, 11837273, 12078850, 14667175, 16427236, 16910390, 20534045, 23674546, 24157700, 28747663, 29334350, 33820780, 41068090, 42275975, 47349092, 57495326, 58668700, 59186365, 82136180, 84551950, 102670225, 114990652, 118372730, 143738315, 169103900, 201233641, 205340450, 236745460, 287476630, 295931825, 402467282, 410680900, 574953260, 591863650, 718691575, 804934564, 1006168205, 1183727300, 1437383150, 2012336410, 2874766300, 4024672820, 5030841025, 10061682050, 20123364100]

約数ペア:

[(1, 20123364100), (2, 10061682050), (4, 5030841025), (5, 4024672820), (7, 2874766300), (10, 2012336410), (14, 1437383150), (17, 1183727300), (20, 1006168205), (25, 804934564), (28, 718691575), (34, 591863650), (35, 574953260), (49, 410680900), (50, 402467282), (68, 295931825), (70, 287476630), (85, 236745460), (98, 205340450), (100, 201233641), (119, 169103900), (140, 143738315), (170, 118372730), (175, 114990652), (196, 102670225), (238, 84551950), (245, 82136180), (340, 59186365), (343, 58668700), (350, 57495326), (425, 47349092), (476, 42275975), (490, 41068090), (595, 33820780), (686, 29334350), (700, 28747663), (833, 24157700), (850, 23674546), (980, 20534045), (1190, 16910390), (1225, 16427236), (1372, 14667175), (1666, 12078850), (1700, 11837273), (1715, 11733740), (2380, 8455195), (2450, 8213618), (2975, 6764156), (3332, 6039425), (3430, 5866870), (4165, 4831540), (4900, 4106809), (5831, 3451100), (5950, 3382078), (6860, 2933435), (8330, 2415770), (8575, 2346748), (11662, 1725550), (11900, 1691039), (16660, 1207885), (17150, 1173374), (20825, 966308), (23324, 862775), (29155, 690220), (34300, 586687), (34511, 583100), (41650, 483154), (58310, 345110), (69022, 291550), (83300, 241577), (116620, 172555), (138044, 145775)]