20199275820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5906221}}^1$

素因数の和:5906255

約数の個数: 72

約数和(自身を含む): 64495944240

約数和(自身を除く): 44296668420

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, 5906221, 11812442, 17718663, 23624884, 29531105, 35437326, 53155989, 59062210, 70874652, 88593315, 106311978, 112218199, 118124420, 177186630, 212623956, 224436398, 265779945, 336654597, 354373260, 448872796, 531559890, 561090995, 673309194, 1009963791, 1063119780, 1122181990, 1346618388, 1683272985, 2019927582, 2244363980, 3366545970, 4039855164, 5049818955, 6733091940, 10099637910, 20199275820]

約数ペア:

[(1, 20199275820), (2, 10099637910), (3, 6733091940), (4, 5049818955), (5, 4039855164), (6, 3366545970), (9, 2244363980), (10, 2019927582), (12, 1683272985), (15, 1346618388), (18, 1122181990), (19, 1063119780), (20, 1009963791), (30, 673309194), (36, 561090995), (38, 531559890), (45, 448872796), (57, 354373260), (60, 336654597), (76, 265779945), (90, 224436398), (95, 212623956), (114, 177186630), (171, 118124420), (180, 112218199), (190, 106311978), (228, 88593315), (285, 70874652), (342, 59062210), (380, 53155989), (570, 35437326), (684, 29531105), (855, 23624884), (1140, 17718663), (1710, 11812442), (3420, 5906221)]