20105248904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{26921}}^1$

素因数の和:27150

約数の個数: 64

約数和(自身を含む): 41791559040

約数和(自身を除く): 21686310136

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 167, 172, 334, 344, 559, 668, 1118, 1336, 2171, 2236, 4342, 4472, 7181, 8684, 14362, 17368, 26921, 28724, 53842, 57448, 93353, 107684, 186706, 215368, 349973, 373412, 699946, 746824, 1157603, 1399892, 2315206, 2799784, 4495807, 4630412, 8991614, 9260824, 15048839, 17983228, 30097678, 35966456, 58445491, 60195356, 116890982, 120390712, 193319701, 233781964, 386639402, 467563928, 773278804, 1546557608, 2513156113, 5026312226, 10052624452, 20105248904]

約数ペア:

[(1, 20105248904), (2, 10052624452), (4, 5026312226), (8, 2513156113), (13, 1546557608), (26, 773278804), (43, 467563928), (52, 386639402), (86, 233781964), (104, 193319701), (167, 120390712), (172, 116890982), (334, 60195356), (344, 58445491), (559, 35966456), (668, 30097678), (1118, 17983228), (1336, 15048839), (2171, 9260824), (2236, 8991614), (4342, 4630412), (4472, 4495807), (7181, 2799784), (8684, 2315206), (14362, 1399892), (17368, 1157603), (26921, 746824), (28724, 699946), (53842, 373412), (57448, 349973), (93353, 215368), (107684, 186706)]