20215890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 56727216

約数和(自身を除く): 36511326

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 73, 85, 90, 102, 146, 153, 170, 181, 219, 255, 306, 362, 365, 438, 510, 543, 657, 730, 765, 905, 1086, 1095, 1241, 1314, 1530, 1629, 1810, 2190, 2482, 2715, 3077, 3258, 3285, 3723, 5430, 6154, 6205, 6570, 7446, 8145, 9231, 11169, 12410, 13213, 15385, 16290, 18462, 18615, 22338, 26426, 27693, 30770, 37230, 39639, 46155, 55386, 55845, 66065, 79278, 92310, 111690, 118917, 132130, 138465, 198195, 224621, 237834, 276930, 396390, 449242, 594585, 673863, 1123105, 1189170, 1347726, 2021589, 2246210, 3369315, 4043178, 6738630, 10107945, 20215890]

約数ペア:

[(1, 20215890), (2, 10107945), (3, 6738630), (5, 4043178), (6, 3369315), (9, 2246210), (10, 2021589), (15, 1347726), (17, 1189170), (18, 1123105), (30, 673863), (34, 594585), (45, 449242), (51, 396390), (73, 276930), (85, 237834), (90, 224621), (102, 198195), (146, 138465), (153, 132130), (170, 118917), (181, 111690), (219, 92310), (255, 79278), (306, 66065), (362, 55845), (365, 55386), (438, 46155), (510, 39639), (543, 37230), (657, 30770), (730, 27693), (765, 26426), (905, 22338), (1086, 18615), (1095, 18462), (1241, 16290), (1314, 15385), (1530, 13213), (1629, 12410), (1810, 11169), (2190, 9231), (2482, 8145), (2715, 7446), (3077, 6570), (3258, 6205), (3285, 6154), (3723, 5430)]