20120573450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1151}}^1\times {\mathrm{18401}}^1$

素因数の和:19583

約数の個数: 48

約数和(自身を含む): 39430333440

約数和(自身を除く): 19309759990

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 1151, 2302, 5755, 11510, 18401, 21869, 28775, 36802, 43738, 57550, 92005, 109345, 184010, 218690, 349619, 460025, 546725, 699238, 920050, 1093450, 1748095, 3496190, 8740475, 17480950, 21179551, 42359102, 105897755, 211795510, 402411469, 529488775, 804822938, 1058977550, 2012057345, 4024114690, 10060286725, 20120573450]

約数ペア:

[(1, 20120573450), (2, 10060286725), (5, 4024114690), (10, 2012057345), (19, 1058977550), (25, 804822938), (38, 529488775), (50, 402411469), (95, 211795510), (190, 105897755), (475, 42359102), (950, 21179551), (1151, 17480950), (2302, 8740475), (5755, 3496190), (11510, 1748095), (18401, 1093450), (21869, 920050), (28775, 699238), (36802, 546725), (43738, 460025), (57550, 349619), (92005, 218690), (109345, 184010)]