20216398930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3173689}}^1$

素因数の和:3173723

約数の個数: 48

約数和(自身を含む): 45586883160

約数和(自身を除く): 25370484230

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 3173689, 6347378, 15868445, 22215823, 31736890, 41257957, 44431646, 82515914, 111079115, 155510761, 206289785, 222158230, 288805699, 311021522, 412579570, 577611398, 777553805, 1444028495, 1555107610, 2021639893, 2888056990, 4043279786, 10108199465, 20216398930]

約数ペア:

[(1, 20216398930), (2, 10108199465), (5, 4043279786), (7, 2888056990), (10, 2021639893), (13, 1555107610), (14, 1444028495), (26, 777553805), (35, 577611398), (49, 412579570), (65, 311021522), (70, 288805699), (91, 222158230), (98, 206289785), (130, 155510761), (182, 111079115), (245, 82515914), (455, 44431646), (490, 41257957), (637, 31736890), (910, 22215823), (1274, 15868445), (3185, 6347378), (6370, 3173689)]