20189772968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{43319}}^1$

素因数の和:43514

約数の個数: 64

約数和(自身を含む): 42107040000

約数和(自身を除く): 21917267032

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 149, 184, 298, 391, 596, 782, 1192, 1564, 2533, 3128, 3427, 5066, 6854, 10132, 13708, 20264, 27416, 43319, 58259, 86638, 116518, 173276, 233036, 346552, 466072, 736423, 996337, 1472846, 1992674, 2945692, 3985348, 5891384, 6454531, 7970696, 12909062, 16937729, 25818124, 33875458, 51636248, 67750916, 109727027, 135501832, 148454213, 219454054, 296908426, 438908108, 593816852, 877816216, 1187633704, 2523721621, 5047443242, 10094886484, 20189772968]

約数ペア:

[(1, 20189772968), (2, 10094886484), (4, 5047443242), (8, 2523721621), (17, 1187633704), (23, 877816216), (34, 593816852), (46, 438908108), (68, 296908426), (92, 219454054), (136, 148454213), (149, 135501832), (184, 109727027), (298, 67750916), (391, 51636248), (596, 33875458), (782, 25818124), (1192, 16937729), (1564, 12909062), (2533, 7970696), (3128, 6454531), (3427, 5891384), (5066, 3985348), (6854, 2945692), (10132, 1992674), (13708, 1472846), (20264, 996337), (27416, 736423), (43319, 466072), (58259, 346552), (86638, 233036), (116518, 173276)]