20103900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3527}}^1$

素因数の和:3563

約数の個数: 72

約数和(自身を含む): 61246080

約数和(自身を除く): 41142180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 228, 285, 300, 380, 475, 570, 950, 1140, 1425, 1900, 2850, 3527, 5700, 7054, 10581, 14108, 17635, 21162, 35270, 42324, 52905, 67013, 70540, 88175, 105810, 134026, 176350, 201039, 211620, 264525, 268052, 335065, 352700, 402078, 529050, 670130, 804156, 1005195, 1058100, 1340260, 1675325, 2010390, 3350650, 4020780, 5025975, 6701300, 10051950, 20103900]

約数ペア:

[(1, 20103900), (2, 10051950), (3, 6701300), (4, 5025975), (5, 4020780), (6, 3350650), (10, 2010390), (12, 1675325), (15, 1340260), (19, 1058100), (20, 1005195), (25, 804156), (30, 670130), (38, 529050), (50, 402078), (57, 352700), (60, 335065), (75, 268052), (76, 264525), (95, 211620), (100, 201039), (114, 176350), (150, 134026), (190, 105810), (228, 88175), (285, 70540), (300, 67013), (380, 52905), (475, 42324), (570, 35270), (950, 21162), (1140, 17635), (1425, 14108), (1900, 10581), (2850, 7054), (3527, 5700)]