20344518188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^2\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 38590845552

約数和(自身を除く): 18246327364

約数列:

[1, 2, 4, 17, 34, 68, 89, 107, 178, 214, 353, 356, 428, 706, 1412, 1513, 1819, 3026, 3638, 6001, 6052, 7276, 7921, 9523, 12002, 15842, 19046, 24004, 31417, 31684, 37771, 38092, 62834, 75542, 125668, 134657, 151084, 161891, 269314, 323782, 534089, 538628, 642107, 647564, 847547, 1068178, 1284214, 1695094, 2136356, 2568428, 2796113, 3361619, 3390188, 5592226, 6723238, 11184452, 13446476, 14408299, 28816598, 47533921, 57147523, 57633196, 95067842, 114295046, 190135684, 228590092, 299184091, 598368182, 1196736364, 5086129547, 10172259094, 20344518188]

約数ペア:

[(1, 20344518188), (2, 10172259094), (4, 5086129547), (17, 1196736364), (34, 598368182), (68, 299184091), (89, 228590092), (107, 190135684), (178, 114295046), (214, 95067842), (353, 57633196), (356, 57147523), (428, 47533921), (706, 28816598), (1412, 14408299), (1513, 13446476), (1819, 11184452), (3026, 6723238), (3638, 5592226), (6001, 3390188), (6052, 3361619), (7276, 2796113), (7921, 2568428), (9523, 2136356), (12002, 1695094), (15842, 1284214), (19046, 1068178), (24004, 847547), (31417, 647564), (31684, 642107), (37771, 538628), (38092, 534089), (62834, 323782), (75542, 269314), (125668, 161891), (134657, 151084)]