20105787546

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{540391}}^1$

素因数の和:540468

約数の個数: 64

約数和(自身を含む): 49024362240

約数和(自身を除く): 28918574694

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 53, 54, 78, 106, 117, 159, 234, 318, 351, 477, 689, 702, 954, 1378, 1431, 2067, 2862, 4134, 6201, 12402, 18603, 37206, 540391, 1080782, 1621173, 3242346, 4863519, 7025083, 9727038, 14050166, 14590557, 21075249, 28640723, 29181114, 42150498, 57281446, 63225747, 85922169, 126451494, 171844338, 189677241, 257766507, 372329399, 379354482, 515533014, 744658798, 773299521, 1116988197, 1546599042, 2233976394, 3350964591, 6701929182, 10052893773, 20105787546]

約数ペア:

[(1, 20105787546), (2, 10052893773), (3, 6701929182), (6, 3350964591), (9, 2233976394), (13, 1546599042), (18, 1116988197), (26, 773299521), (27, 744658798), (39, 515533014), (53, 379354482), (54, 372329399), (78, 257766507), (106, 189677241), (117, 171844338), (159, 126451494), (234, 85922169), (318, 63225747), (351, 57281446), (477, 42150498), (689, 29181114), (702, 28640723), (954, 21075249), (1378, 14590557), (1431, 14050166), (2067, 9727038), (2862, 7025083), (4134, 4863519), (6201, 3242346), (12402, 1621173), (18603, 1080782), (37206, 540391)]