20900304

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7639}}^1$

素因数の和:7672

約数の個数: 60

約数和(自身を含む): 61578400

約数和(自身を除く): 40678096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7639, 15278, 22917, 30556, 45834, 61112, 68751, 91668, 122224, 137502, 145141, 183336, 275004, 290282, 366672, 435423, 550008, 580564, 870846, 1100016, 1161128, 1306269, 1741692, 2322256, 2612538, 3483384, 5225076, 6966768, 10450152, 20900304]

約数ペア:

[(1, 20900304), (2, 10450152), (3, 6966768), (4, 5225076), (6, 3483384), (8, 2612538), (9, 2322256), (12, 1741692), (16, 1306269), (18, 1161128), (19, 1100016), (24, 870846), (36, 580564), (38, 550008), (48, 435423), (57, 366672), (72, 290282), (76, 275004), (114, 183336), (144, 145141), (152, 137502), (171, 122224), (228, 91668), (304, 68751), (342, 61112), (456, 45834), (684, 30556), (912, 22917), (1368, 15278), (2736, 7639)]