20543940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6007}}^1$

素因数の和:6041

約数の個数: 72

約数和(自身を含む): 65607360

約数和(自身を除く): 45063420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6007, 12014, 18021, 24028, 30035, 36042, 54063, 60070, 72084, 90105, 108126, 114133, 120140, 180210, 216252, 228266, 270315, 342399, 360420, 456532, 540630, 570665, 684798, 1027197, 1081260, 1141330, 1369596, 1711995, 2054394, 2282660, 3423990, 4108788, 5135985, 6847980, 10271970, 20543940]

約数ペア:

[(1, 20543940), (2, 10271970), (3, 6847980), (4, 5135985), (5, 4108788), (6, 3423990), (9, 2282660), (10, 2054394), (12, 1711995), (15, 1369596), (18, 1141330), (19, 1081260), (20, 1027197), (30, 684798), (36, 570665), (38, 540630), (45, 456532), (57, 360420), (60, 342399), (76, 270315), (90, 228266), (95, 216252), (114, 180210), (171, 120140), (180, 114133), (190, 108126), (228, 90105), (285, 72084), (342, 60070), (380, 54063), (570, 36042), (684, 30035), (855, 24028), (1140, 18021), (1710, 12014), (3420, 6007)]