20147333900

素因数分解:

$2^2\times 5^2\times {\mathrm{373}}^1\times {\mathrm{421}}^1\times {\mathrm{1283}}^1$

素因数の和:2091

約数の個数: 72

約数和(自身を含む): 43975299984

約数和(自身を除く): 23827966084

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 373, 421, 746, 842, 1283, 1492, 1684, 1865, 2105, 2566, 3730, 4210, 5132, 6415, 7460, 8420, 9325, 10525, 12830, 18650, 21050, 25660, 32075, 37300, 42100, 64150, 128300, 157033, 314066, 478559, 540143, 628132, 785165, 957118, 1080286, 1570330, 1914236, 2160572, 2392795, 2700715, 3140660, 3925825, 4785590, 5401430, 7851650, 9571180, 10802860, 11963975, 13503575, 15703300, 23927950, 27007150, 47855900, 54014300, 201473339, 402946678, 805893356, 1007366695, 2014733390, 4029466780, 5036833475, 10073666950, 20147333900]

約数ペア:

[(1, 20147333900), (2, 10073666950), (4, 5036833475), (5, 4029466780), (10, 2014733390), (20, 1007366695), (25, 805893356), (50, 402946678), (100, 201473339), (373, 54014300), (421, 47855900), (746, 27007150), (842, 23927950), (1283, 15703300), (1492, 13503575), (1684, 11963975), (1865, 10802860), (2105, 9571180), (2566, 7851650), (3730, 5401430), (4210, 4785590), (5132, 3925825), (6415, 3140660), (7460, 2700715), (8420, 2392795), (9325, 2160572), (10525, 1914236), (12830, 1570330), (18650, 1080286), (21050, 957118), (25660, 785165), (32075, 628132), (37300, 540143), (42100, 478559), (64150, 314066), (128300, 157033)]