20346537980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3557}}^1\times {\mathrm{15053}}^1$

素因数の和:18638

約数の個数: 48

約数和(自身を含む): 44992190880

約数和(自身を除く): 24645652900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3557, 7114, 14228, 15053, 17785, 30106, 35570, 60212, 67583, 71140, 75265, 135166, 150530, 270332, 286007, 301060, 337915, 572014, 675830, 1144028, 1351660, 1430035, 2860070, 5720140, 53543521, 107087042, 214174084, 267717605, 535435210, 1017326899, 1070870420, 2034653798, 4069307596, 5086634495, 10173268990, 20346537980]

約数ペア:

[(1, 20346537980), (2, 10173268990), (4, 5086634495), (5, 4069307596), (10, 2034653798), (19, 1070870420), (20, 1017326899), (38, 535435210), (76, 267717605), (95, 214174084), (190, 107087042), (380, 53543521), (3557, 5720140), (7114, 2860070), (14228, 1430035), (15053, 1351660), (17785, 1144028), (30106, 675830), (35570, 572014), (60212, 337915), (67583, 301060), (71140, 286007), (75265, 270332), (135166, 150530)]