20422081980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{351257}}^1$

素因数の和:351308

約数の個数: 144

約数和(自身を含む): 69043272480

約数和(自身を除く): 48621190500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1530, 1615, 1710, 1938, 2907, 3060, 3230, 3420, 3876, 4845, 5814, 6460, 9690, 11628, 14535, 19380, 29070, 58140, 351257, 702514, 1053771, 1405028, 1756285, 2107542, 3161313, 3512570, 4215084, 5268855, 5971369, 6322626, 6673883, 7025140, 10537710, 11942738, 12645252, 13347766, 15806565, 17914107, 20021649, 21075420, 23885476, 26695532, 29856845, 31613130, 33369415, 35828214, 40043298, 53742321, 59713690, 60064947, 63226260, 66738830, 71656428, 80086596, 89570535, 100108245, 107484642, 113456011, 119427380, 120129894, 133477660, 179141070, 200216490, 214969284, 226912022, 240259788, 268711605, 300324735, 340368033, 358282140, 400432980, 453824044, 537423210, 567280055, 600649470, 680736066, 1021104099, 1074846420, 1134560110, 1201298940, 1361472132, 1701840165, 2042208198, 2269120220, 3403680330, 4084416396, 5105520495, 6807360660, 10211040990, 20422081980]

約数ペア:

[(1, 20422081980), (2, 10211040990), (3, 6807360660), (4, 5105520495), (5, 4084416396), (6, 3403680330), (9, 2269120220), (10, 2042208198), (12, 1701840165), (15, 1361472132), (17, 1201298940), (18, 1134560110), (19, 1074846420), (20, 1021104099), (30, 680736066), (34, 600649470), (36, 567280055), (38, 537423210), (45, 453824044), (51, 400432980), (57, 358282140), (60, 340368033), (68, 300324735), (76, 268711605), (85, 240259788), (90, 226912022), (95, 214969284), (102, 200216490), (114, 179141070), (153, 133477660), (170, 120129894), (171, 119427380), (180, 113456011), (190, 107484642), (204, 100108245), (228, 89570535), (255, 80086596), (285, 71656428), (306, 66738830), (323, 63226260), (340, 60064947), (342, 59713690), (380, 53742321), (510, 40043298), (570, 35828214), (612, 33369415), (646, 31613130), (684, 29856845), (765, 26695532), (855, 23885476), (969, 21075420), (1020, 20021649), (1140, 17914107), (1292, 15806565), (1530, 13347766), (1615, 12645252), (1710, 11942738), (1938, 10537710), (2907, 7025140), (3060, 6673883), (3230, 6322626), (3420, 5971369), (3876, 5268855), (4845, 4215084), (5814, 3512570), (6460, 3161313), (9690, 2107542), (11628, 1756285), (14535, 1405028), (19380, 1053771), (29070, 702514), (58140, 351257)]