20091690963

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^2$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 31691159136

約数和(自身を除く): 11599468173

約数列:

[1, 3, 9, 23, 41, 61, 69, 123, 183, 197, 207, 369, 549, 591, 943, 1403, 1773, 2501, 2829, 4209, 4531, 7503, 8077, 8487, 12017, 12627, 13593, 22509, 24231, 36051, 38809, 40779, 57523, 72693, 108153, 116427, 172569, 185771, 276391, 349281, 492697, 517707, 557313, 829173, 892607, 1478091, 1591169, 1671939, 2367349, 2487519, 2677821, 4434273, 4773507, 7102047, 8033463, 11332031, 14320521, 21306141, 33996093, 36596887, 54449027, 97061309, 101988279, 109790661, 163347081, 291183927, 329371983, 490041243, 873551781, 2232410107, 6697230321, 20091690963]

約数ペア:

[(1, 20091690963), (3, 6697230321), (9, 2232410107), (23, 873551781), (41, 490041243), (61, 329371983), (69, 291183927), (123, 163347081), (183, 109790661), (197, 101988279), (207, 97061309), (369, 54449027), (549, 36596887), (591, 33996093), (943, 21306141), (1403, 14320521), (1773, 11332031), (2501, 8033463), (2829, 7102047), (4209, 4773507), (4531, 4434273), (7503, 2677821), (8077, 2487519), (8487, 2367349), (12017, 1671939), (12627, 1591169), (13593, 1478091), (22509, 892607), (24231, 829173), (36051, 557313), (38809, 517707), (40779, 492697), (57523, 349281), (72693, 276391), (108153, 185771), (116427, 172569)]