20056899500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{331519}}^1$

素因数の和:331560

約数の個数: 72

約数和(自身を含む): 48148638720

約数和(自身を除く): 28091739220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 125, 220, 242, 250, 275, 484, 500, 550, 605, 1100, 1210, 1375, 2420, 2750, 3025, 5500, 6050, 12100, 15125, 30250, 60500, 331519, 663038, 1326076, 1657595, 3315190, 3646709, 6630380, 7293418, 8287975, 14586836, 16575950, 18233545, 33151900, 36467090, 40113799, 41439875, 72934180, 80227598, 82879750, 91167725, 160455196, 165759500, 182335450, 200568995, 364670900, 401137990, 455838625, 802275980, 911677250, 1002844975, 1823354500, 2005689950, 4011379900, 5014224875, 10028449750, 20056899500]

約数ペア:

[(1, 20056899500), (2, 10028449750), (4, 5014224875), (5, 4011379900), (10, 2005689950), (11, 1823354500), (20, 1002844975), (22, 911677250), (25, 802275980), (44, 455838625), (50, 401137990), (55, 364670900), (100, 200568995), (110, 182335450), (121, 165759500), (125, 160455196), (220, 91167725), (242, 82879750), (250, 80227598), (275, 72934180), (484, 41439875), (500, 40113799), (550, 36467090), (605, 33151900), (1100, 18233545), (1210, 16575950), (1375, 14586836), (2420, 8287975), (2750, 7293418), (3025, 6630380), (5500, 3646709), (6050, 3315190), (12100, 1657595), (15125, 1326076), (30250, 663038), (60500, 331519)]