20123769420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3021587}}^1$

素因数の和:3021639

約数の個数: 72

約数和(自身を含む): 62691907824

約数和(自身を除く): 42568138404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 3021587, 6043174, 9064761, 12086348, 15107935, 18129522, 27194283, 30215870, 36259044, 45323805, 54388566, 60431740, 90647610, 108777132, 111798719, 135971415, 181295220, 223597438, 271942830, 335396157, 447194876, 543885660, 558993595, 670792314, 1006188471, 1117987190, 1341584628, 1676980785, 2012376942, 2235974380, 3353961570, 4024753884, 5030942355, 6707923140, 10061884710, 20123769420]

約数ペア:

[(1, 20123769420), (2, 10061884710), (3, 6707923140), (4, 5030942355), (5, 4024753884), (6, 3353961570), (9, 2235974380), (10, 2012376942), (12, 1676980785), (15, 1341584628), (18, 1117987190), (20, 1006188471), (30, 670792314), (36, 558993595), (37, 543885660), (45, 447194876), (60, 335396157), (74, 271942830), (90, 223597438), (111, 181295220), (148, 135971415), (180, 111798719), (185, 108777132), (222, 90647610), (333, 60431740), (370, 54388566), (444, 45323805), (555, 36259044), (666, 30215870), (740, 27194283), (1110, 18129522), (1332, 15107935), (1665, 12086348), (2220, 9064761), (3330, 6043174), (6660, 3021587)]