20785950

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 58255200

約数和(自身を除く): 37469250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 89, 90, 135, 150, 173, 178, 225, 267, 270, 346, 445, 450, 519, 534, 675, 801, 865, 890, 1038, 1335, 1350, 1557, 1602, 1730, 2225, 2403, 2595, 2670, 3114, 4005, 4325, 4450, 4671, 4806, 5190, 6675, 7785, 8010, 8650, 9342, 12015, 12975, 13350, 15397, 15570, 20025, 23355, 24030, 25950, 30794, 38925, 40050, 46191, 46710, 60075, 76985, 77850, 92382, 116775, 120150, 138573, 153970, 230955, 233550, 277146, 384925, 415719, 461910, 692865, 769850, 831438, 1154775, 1385730, 2078595, 2309550, 3464325, 4157190, 6928650, 10392975, 20785950]

約数ペア:

[(1, 20785950), (2, 10392975), (3, 6928650), (5, 4157190), (6, 3464325), (9, 2309550), (10, 2078595), (15, 1385730), (18, 1154775), (25, 831438), (27, 769850), (30, 692865), (45, 461910), (50, 415719), (54, 384925), (75, 277146), (89, 233550), (90, 230955), (135, 153970), (150, 138573), (173, 120150), (178, 116775), (225, 92382), (267, 77850), (270, 76985), (346, 60075), (445, 46710), (450, 46191), (519, 40050), (534, 38925), (675, 30794), (801, 25950), (865, 24030), (890, 23355), (1038, 20025), (1335, 15570), (1350, 15397), (1557, 13350), (1602, 12975), (1730, 12015), (2225, 9342), (2403, 8650), (2595, 8010), (2670, 7785), (3114, 6675), (4005, 5190), (4325, 4806), (4450, 4671)]