20811442908

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1\times {\mathrm{1279}}^1$

素因数の和:1448

約数の個数: 144

約数和(自身を含む): 53810749440

約数和(自身を除く): 32999306532

約数列:

[1, 2, 3, 4, 6, 12, 17, 31, 34, 51, 62, 68, 83, 93, 102, 124, 166, 186, 204, 249, 332, 372, 498, 527, 961, 996, 1054, 1279, 1411, 1581, 1922, 2108, 2558, 2573, 2822, 2883, 3162, 3837, 3844, 4233, 5116, 5146, 5644, 5766, 6324, 7674, 7719, 8466, 10292, 11532, 15348, 15438, 16337, 16932, 21743, 30876, 32674, 39649, 43486, 43741, 49011, 65229, 65348, 79298, 79763, 86972, 87482, 98022, 106157, 118947, 130458, 131223, 158596, 159526, 174964, 196044, 212314, 237894, 239289, 260916, 262446, 318471, 319052, 424628, 475788, 478578, 524892, 636942, 674033, 957156, 1229119, 1273884, 1348066, 1355971, 1804669, 2022099, 2458238, 2696132, 2711942, 3290867, 3609338, 3687357, 4044198, 4067913, 4916476, 5414007, 5423884, 6581734, 7218676, 7374714, 8088396, 8135826, 9872601, 10828014, 13163468, 14749428, 16271652, 19745202, 20895023, 21656028, 39490404, 41790046, 55944739, 62685069, 83580092, 102016877, 111889478, 125370138, 167834217, 204033754, 223778956, 250740276, 306050631, 335668434, 408067508, 612101262, 671336868, 1224202524, 1734286909, 3468573818, 5202860727, 6937147636, 10405721454, 20811442908]

約数ペア:

[(1, 20811442908), (2, 10405721454), (3, 6937147636), (4, 5202860727), (6, 3468573818), (12, 1734286909), (17, 1224202524), (31, 671336868), (34, 612101262), (51, 408067508), (62, 335668434), (68, 306050631), (83, 250740276), (93, 223778956), (102, 204033754), (124, 167834217), (166, 125370138), (186, 111889478), (204, 102016877), (249, 83580092), (332, 62685069), (372, 55944739), (498, 41790046), (527, 39490404), (961, 21656028), (996, 20895023), (1054, 19745202), (1279, 16271652), (1411, 14749428), (1581, 13163468), (1922, 10828014), (2108, 9872601), (2558, 8135826), (2573, 8088396), (2822, 7374714), (2883, 7218676), (3162, 6581734), (3837, 5423884), (3844, 5414007), (4233, 4916476), (5116, 4067913), (5146, 4044198), (5644, 3687357), (5766, 3609338), (6324, 3290867), (7674, 2711942), (7719, 2696132), (8466, 2458238), (10292, 2022099), (11532, 1804669), (15348, 1355971), (15438, 1348066), (16337, 1273884), (16932, 1229119), (21743, 957156), (30876, 674033), (32674, 636942), (39649, 524892), (43486, 478578), (43741, 475788), (49011, 424628), (65229, 319052), (65348, 318471), (79298, 262446), (79763, 260916), (86972, 239289), (87482, 237894), (98022, 212314), (106157, 196044), (118947, 174964), (130458, 159526), (131223, 158596)]