20163941892

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{229}}^1\times {\mathrm{19259}}^1$

素因数の和:19625

約数の個数: 72

約数和(自身を含む): 51598310400

約数和(自身を除く): 31434368508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 229, 254, 381, 458, 508, 687, 762, 916, 1143, 1374, 1524, 2061, 2286, 2748, 4122, 4572, 8244, 19259, 29083, 38518, 57777, 58166, 77036, 87249, 115554, 116332, 173331, 174498, 231108, 261747, 346662, 348996, 523494, 693324, 1046988, 2445893, 4410311, 4891786, 7337679, 8820622, 9783572, 13230933, 14675358, 17641244, 22013037, 26461866, 29350716, 39692799, 44026074, 52923732, 79385598, 88052148, 158771196, 560109497, 1120218994, 1680328491, 2240437988, 3360656982, 5040985473, 6721313964, 10081970946, 20163941892]

約数ペア:

[(1, 20163941892), (2, 10081970946), (3, 6721313964), (4, 5040985473), (6, 3360656982), (9, 2240437988), (12, 1680328491), (18, 1120218994), (36, 560109497), (127, 158771196), (229, 88052148), (254, 79385598), (381, 52923732), (458, 44026074), (508, 39692799), (687, 29350716), (762, 26461866), (916, 22013037), (1143, 17641244), (1374, 14675358), (1524, 13230933), (2061, 9783572), (2286, 8820622), (2748, 7337679), (4122, 4891786), (4572, 4410311), (8244, 2445893), (19259, 1046988), (29083, 693324), (38518, 523494), (57777, 348996), (58166, 346662), (77036, 261747), (87249, 231108), (115554, 174498), (116332, 173331)]