20258040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 67392000

約数和(自身を除く): 47133960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 103, 110, 120, 132, 149, 165, 206, 220, 264, 298, 309, 330, 412, 440, 447, 515, 596, 618, 660, 745, 824, 894, 1030, 1133, 1192, 1236, 1320, 1490, 1545, 1639, 1788, 2060, 2235, 2266, 2472, 2980, 3090, 3278, 3399, 3576, 4120, 4470, 4532, 4917, 5665, 5960, 6180, 6556, 6798, 8195, 8940, 9064, 9834, 11330, 12360, 13112, 13596, 15347, 16390, 16995, 17880, 19668, 22660, 24585, 27192, 30694, 32780, 33990, 39336, 45320, 46041, 49170, 61388, 65560, 67980, 76735, 92082, 98340, 122776, 135960, 153470, 168817, 184164, 196680, 230205, 306940, 337634, 368328, 460410, 506451, 613880, 675268, 844085, 920820, 1012902, 1350536, 1688170, 1841640, 2025804, 2532255, 3376340, 4051608, 5064510, 6752680, 10129020, 20258040]

約数ペア:

[(1, 20258040), (2, 10129020), (3, 6752680), (4, 5064510), (5, 4051608), (6, 3376340), (8, 2532255), (10, 2025804), (11, 1841640), (12, 1688170), (15, 1350536), (20, 1012902), (22, 920820), (24, 844085), (30, 675268), (33, 613880), (40, 506451), (44, 460410), (55, 368328), (60, 337634), (66, 306940), (88, 230205), (103, 196680), (110, 184164), (120, 168817), (132, 153470), (149, 135960), (165, 122776), (206, 98340), (220, 92082), (264, 76735), (298, 67980), (309, 65560), (330, 61388), (412, 49170), (440, 46041), (447, 45320), (515, 39336), (596, 33990), (618, 32780), (660, 30694), (745, 27192), (824, 24585), (894, 22660), (1030, 19668), (1133, 17880), (1192, 16995), (1236, 16390), (1320, 15347), (1490, 13596), (1545, 13112), (1639, 12360), (1788, 11330), (2060, 9834), (2235, 9064), (2266, 8940), (2472, 8195), (2980, 6798), (3090, 6556), (3278, 6180), (3399, 5960), (3576, 5665), (4120, 4917), (4470, 4532)]