20083774140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{644951}}^1$

素因数の和:645139

約数の個数: 72

約数和(自身を含む): 61273019808

約数和(自身を除く): 41189245668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 2076, 2595, 3114, 3460, 5190, 6228, 7785, 10380, 15570, 31140, 644951, 1289902, 1934853, 2579804, 3224755, 3869706, 5804559, 6449510, 7739412, 9674265, 11609118, 12899020, 19348530, 23218236, 29022795, 38697060, 58045590, 111576523, 116091180, 223153046, 334729569, 446306092, 557882615, 669459138, 1004188707, 1115765230, 1338918276, 1673647845, 2008377414, 2231530460, 3347295690, 4016754828, 5020943535, 6694591380, 10041887070, 20083774140]

約数ペア:

[(1, 20083774140), (2, 10041887070), (3, 6694591380), (4, 5020943535), (5, 4016754828), (6, 3347295690), (9, 2231530460), (10, 2008377414), (12, 1673647845), (15, 1338918276), (18, 1115765230), (20, 1004188707), (30, 669459138), (36, 557882615), (45, 446306092), (60, 334729569), (90, 223153046), (173, 116091180), (180, 111576523), (346, 58045590), (519, 38697060), (692, 29022795), (865, 23218236), (1038, 19348530), (1557, 12899020), (1730, 11609118), (2076, 9674265), (2595, 7739412), (3114, 6449510), (3460, 5804559), (5190, 3869706), (6228, 3224755), (7785, 2579804), (10380, 1934853), (15570, 1289902), (31140, 644951)]